diff --git a/localization.c b/localization.c
index bf4dc64..4ed9e43 100644
--- a/localization.c
+++ b/localization.c
@@ -467,6 +467,8 @@ GeneralSettingsDlgProc(HWND hwndDlg, UINT msg, UNUSED WPARAM wParam, LPARAM lPar
             Button_SetCheck(GetDlgItem(hwndDlg, ID_CHK_LOG_APPEND), BST_CHECKED);
         if (o.silent_connection)
             Button_SetCheck(GetDlgItem(hwndDlg, ID_CHK_SILENT), BST_CHECKED);
+        if (o.iservice_admin)
+            Button_SetCheck(GetDlgItem(hwndDlg, ID_CHK_ALWAYS_USE_ISERVICE), BST_CHECKED);
         if (o.show_balloon == 0)
             CheckRadioButton (hwndDlg, ID_RB_BALLOON0, ID_RB_BALLOON2, ID_RB_BALLOON0);
         else if (o.show_balloon == 1)
@@ -494,6 +496,8 @@ GeneralSettingsDlgProc(HWND hwndDlg, UINT msg, UNUSED WPARAM wParam, LPARAM lPar
                 (Button_GetCheck(GetDlgItem(hwndDlg, ID_CHK_LOG_APPEND)) == BST_CHECKED);
             o.silent_connection =
                 (Button_GetCheck(GetDlgItem(hwndDlg, ID_CHK_SILENT)) == BST_CHECKED);
+            o.iservice_admin =
+                (Button_GetCheck(GetDlgItem(hwndDlg, ID_CHK_ALWAYS_USE_ISERVICE)) == BST_CHECKED);
             if (IsDlgButtonChecked(hwndDlg, ID_RB_BALLOON0))
                 o.show_balloon = 0;
             else if (IsDlgButtonChecked(hwndDlg, ID_RB_BALLOON2))
diff --git a/main.c b/main.c
index 0436cb1..4cb9f5f 100644
--- a/main.c
+++ b/main.c
@@ -28,6 +28,7 @@
 #endif
 
 #include <windows.h>
+#include <versionhelpers.h>
 #include <shlwapi.h>
 #include <wtsapi32.h>
 #include <prsht.h>
@@ -263,7 +264,8 @@ int WINAPI _tWinMain (HINSTANCE hThisInstance,
     exit(1);
   }
 
-  if (!IsUserAdmin() && strtod(o.ovpn_version, NULL) > 2.3 && !o.silent_connection)
+  BOOL use_iservice = (o.iservice_admin && IsWindows7OrGreater()) || !IsUserAdmin();
+  if (use_iservice && strtod(o.ovpn_version, NULL) > 2.3 && !o.silent_connection)
     CheckIServiceStatus(TRUE);
 
   BuildFileList();
diff --git a/openvpn-gui-res.h b/openvpn-gui-res.h
index 5d33453..ddcfd1e 100644
--- a/openvpn-gui-res.h
+++ b/openvpn-gui-res.h
@@ -97,6 +97,7 @@
 #define ID_RB_BALLOON1                   240
 #define ID_RB_BALLOON2                   241
 #define ID_CHK_SHOW_SCRIPT_WIN           242
+#define ID_CHK_ALWAYS_USE_ISERVICE       243
 
 /* Proxy Auth Dialog */
 #define ID_DLG_PROXY_AUTH                250
@@ -283,6 +284,7 @@
 #define IDS_ERR_WRITE_SERVICE_PIPE      1710
 #define IDS_ERR_NOTSTARTED_ISERVICE     1711
 #define IDS_ERR_INSTALL_ISERVICE        1712
+#define IDS_ERR_NOTSTARTED_ISERVICE_ADM 1713
 
 /* Registry Related */
 #define IDS_ERR_GET_WINDOWS_DIR         1801
diff --git a/openvpn.c b/openvpn.c
index 533befd..6e8c14f 100644
--- a/openvpn.c
+++ b/openvpn.c
@@ -27,6 +27,7 @@
 
 #include <windows.h>
 #include <windowsx.h>
+#include <versionhelpers.h>
 #include <tchar.h>
 #include <stdlib.h>
 #include <stdio.h>
@@ -1936,8 +1937,9 @@ StartOpenVPN(connection_t *c)
         inet_ntoa(c->manage.skaddr.sin_addr), ntohs(c->manage.skaddr.sin_port),
         (o.proxy_source != config ? _T("--management-query-proxy ") : _T("")));
 
+    BOOL use_iservice = (o.iservice_admin && IsWindows7OrGreater()) || !IsUserAdmin();
     /* Try to open the service pipe */
-    if (!IsUserAdmin() && InitServiceIO (&c->iserv))
+    if (use_iservice && InitServiceIO(&c->iserv))
     {
         DWORD size = _tcslen(c->config_dir) + _tcslen(options) + sizeof(c->manage.password) + 3;
         TCHAR startup_info[1024];
diff --git a/options.c b/options.c
index 7892da6..d46cb27 100644
--- a/options.c
+++ b/options.c
@@ -151,6 +151,11 @@ add_option(options_t *options, int i, TCHAR **p)
         ++i;
         options->log_append = _ttoi(p[1]) ? 1 : 0;
     }
+    else if ((streq(p[0], _T("iservice_admin"))) && p[1])
+    {
+        ++i;
+        options->iservice_admin = _ttoi(p[1]) ? 1 : 0;
+    }
     else if (streq(p[0], _T("log_viewer")) && p[1])
     {
         ++i;
diff --git a/options.h b/options.h
index c523f6f..78fa574 100644
--- a/options.h
+++ b/options.h
@@ -197,6 +197,7 @@ typedef struct {
     TCHAR editor[MAX_PATH];
     DWORD silent_connection;
     DWORD service_only;
+    DWORD iservice_admin;
     DWORD show_balloon;
     DWORD show_script_window;
     DWORD connectscript_timeout;        /* Connect Script execution timeout (sec) */
diff --git a/registry.c b/registry.c
index e65ed61..dbc1b51 100644
--- a/registry.c
+++ b/registry.c
@@ -54,6 +54,7 @@ struct regkey_int {
     DWORD value;
 } regkey_int[] = {
       {L"log_append", &o.log_append, 0},
+      {L"iservice_admin", &o.iservice_admin, 1},
       {L"show_balloon", &o.show_balloon, 1},
       {L"silent_connection", &o.silent_connection, 0},
       {L"preconnectscript_timeout", &o.preconnectscript_timeout, 10},
diff --git a/res/openvpn-gui-res-cs.rc b/res/openvpn-gui-res-cs.rc
index f617eb6..36f2367 100644
--- a/res/openvpn-gui-res-cs.rc
+++ b/res/openvpn-gui-res-cs.rc
@@ -157,14 +157,15 @@ BEGIN
     GROUPBOX "Spuštění", 202, 6, 47, 235, 30
     AUTOCHECKBOX "Spustit při startu Windows", ID_CHK_STARTUP, 17, 59, 100, 12
 
-    GROUPBOX "Volby", 202, 6, 82, 235, 90
+    GROUPBOX "Volby", 202, 6, 82, 235, 105
     AUTOCHECKBOX "Připojovat záznamy na konec logu", ID_CHK_LOG_APPEND, 17, 95, 130, 10
     AUTOCHECKBOX "Zobrazit okno skriptu", ID_CHK_SHOW_SCRIPT_WIN, 17, 110, 200, 10
     AUTOCHECKBOX "Tiché spojení", ID_CHK_SILENT, 17, 125, 200, 10
-    LTEXT "Ukazovat upozornění", ID_TXT_BALLOON, 17, 140, 100, 10
-    AUTORADIOBUTTON "Při připojení", ID_RB_BALLOON1, 28, 155, 53, 10, WS_GROUP | WS_TABSTOP
-    AUTORADIOBUTTON "Při připojení/obnovení spojení", ID_RB_BALLOON2, 86, 155, 115, 10
-    AUTORADIOBUTTON "Nikdy", ID_RB_BALLOON0, 203, 155, 35, 10
+    AUTOCHECKBOX "Always use interactive service", ID_CHK_ALWAYS_USE_ISERVICE, 17, 140, 200, 10
+    LTEXT "Ukazovat upozornění", ID_TXT_BALLOON, 17, 155, 100, 10
+    AUTORADIOBUTTON "Při připojení", ID_RB_BALLOON1, 28, 170, 53, 10, WS_GROUP | WS_TABSTOP
+    AUTORADIOBUTTON "Při připojení/obnovení spojení", ID_RB_BALLOON2, 86, 170, 115, 10
+    AUTORADIOBUTTON "Nikdy", ID_RB_BALLOON0, 203, 170, 35, 10
 END
 
 /* Advanced Dialog */
@@ -436,6 +437,8 @@ BEGIN
                                  "Úlohy vyžadující oprávnění správce nemusí fungovat."
     IDS_ERR_NOTSTARTED_ISERVICE  "Služba ""OpenVPNServiceInteractive"" není spuštěna.\n"
                                  "Úlohy vyžadující oprávnění správce nemusí fungovat."
+    IDS_ERR_NOTSTARTED_ISERVICE_ADM  "Služba ""OpenVPNServiceInteractive"" není spuštěna.\n"
+                                     "Wintun driver will not work."
 
     /* registry */
     IDS_ERR_GET_WINDOWS_DIR "Nepodařilo se získat umístění složky Windows."
diff --git a/res/openvpn-gui-res-de.rc b/res/openvpn-gui-res-de.rc
index fc13d14..ffe26d9 100644
--- a/res/openvpn-gui-res-de.rc
+++ b/res/openvpn-gui-res-de.rc
@@ -154,7 +154,7 @@ BEGIN
     LTEXT "Spr&ache:", ID_TXT_LANGUAGE, 17, 25, 29, 12
     COMBOBOX ID_CMB_LANGUAGE, 51, 23, 177, 400, CBS_DROPDOWNLIST | WS_TABSTOP
 
-    GROUPBOX "Einstellungen", 202, 6, 82, 235, 90
+    GROUPBOX "Einstellungen", 202, 6, 82, 235, 105
     GROUPBOX "Systemstart", 202, 6, 47, 235, 30
     AUTOCHECKBOX "Mit &Windows starten", ID_CHK_STARTUP, 17, 59, 200, 12
 
@@ -162,10 +162,11 @@ BEGIN
     AUTOCHECKBOX "An &Log anhängen", ID_CHK_LOG_APPEND, 17, 95, 60, 10
     AUTOCHECKBOX "&Skriptfenster zeigen", ID_CHK_SHOW_SCRIPT_WIN, 17, 110, 200, 10
     AUTOCHECKBOX "Stille &Verbindung", ID_CHK_SILENT, 17, 125, 200, 10
-    LTEXT "Zeige Benachrichtigung", ID_TXT_BALLOON, 17, 140, 100, 10
-    AUTORADIOBUTTON "Beim Verb&inden", ID_RB_BALLOON1, 28, 155, 50, 10, WS_GROUP | WS_TABSTOP
-    AUTORADIOBUTTON "Beim Verbinden/&erneut Verbinden", ID_RB_BALLOON2, 86, 155, 90, 10
-    AUTORADIOBUTTON "&Nie", ID_RB_BALLOON0, 181, 155, 40, 10
+    AUTOCHECKBOX "Interactive Service immer verwenden", ID_CHK_ALWAYS_USE_ISERVICE, 17, 140, 200, 10
+    LTEXT "Zeige Benachrichtigung", ID_TXT_BALLOON, 17, 155, 100, 10
+    AUTORADIOBUTTON "Beim Verb&inden", ID_RB_BALLOON1, 28, 170, 50, 10, WS_GROUP | WS_TABSTOP
+    AUTORADIOBUTTON "Beim Verbinden/&erneut Verbinden", ID_RB_BALLOON2, 86, 170, 90, 10
+    AUTORADIOBUTTON "&Nie", ID_RB_BALLOON0, 181, 170, 40, 10
 END
 
 /* Advanced Dialog */
@@ -438,6 +439,8 @@ BEGIN
                                  "Aufgaben, die administrativen Zugriff benötigen, funktionieren möglicherweise nicht."
     IDS_ERR_NOTSTARTED_ISERVICE  """OpenVPNServiceInteractive"" wurde nicht gestartet.\n"
                                  "Aufgaben, die administrativen Zugriff benötigen, funktionieren möglicherweise nicht."
+    IDS_ERR_NOTSTARTED_ISERVICE_ADM  """OpenVPNServiceInteractive"" wurde nicht gestartet.\n"
+                                     "Wintun-Treiber kann nicht verwendet werden."
 
     /* registry */
     IDS_ERR_GET_WINDOWS_DIR "Konnte den Pfad der Windows-Installation nicht ermitteln."
diff --git a/res/openvpn-gui-res-dk.rc b/res/openvpn-gui-res-dk.rc
index 63d6d78..fd816f4 100644
--- a/res/openvpn-gui-res-dk.rc
+++ b/res/openvpn-gui-res-dk.rc
@@ -157,14 +157,15 @@ BEGIN
     GROUPBOX "Autostart", 202, 6, 47, 235, 30
     AUTOCHECKBOX "Start med Windows", ID_CHK_STARTUP, 17, 59, 200, 12
 
-    GROUPBOX "Indstillinger", 202, 6, 82, 235, 90
+    GROUPBOX "Indstillinger", 202, 6, 82, 235, 105
     AUTOCHECKBOX "Tilføj til log", ID_CHK_LOG_APPEND, 17, 95, 60, 10
     AUTOCHECKBOX "Vis script vindue", ID_CHK_SHOW_SCRIPT_WIN, 17, 110, 200, 10
     AUTOCHECKBOX "Stille forbindelse", ID_CHK_SILENT, 17, 125, 200, 10
-    LTEXT "Vis Notifikation", ID_TXT_BALLOON, 17, 140, 100, 10
-    AUTORADIOBUTTON "Ved forbind", ID_RB_BALLOON1, 28, 155, 50, 10, WS_GROUP | WS_TABSTOP
-    AUTORADIOBUTTON "Ved forbind/genforbind", ID_RB_BALLOON2, 86, 155, 90, 10
-    AUTORADIOBUTTON "Aldrig", ID_RB_BALLOON0, 181, 155, 40, 10
+    AUTOCHECKBOX "Always use interactive service", ID_CHK_ALWAYS_USE_ISERVICE, 17, 140, 200, 10
+    LTEXT "Vis Notifikation", ID_TXT_BALLOON, 17, 155, 100, 10
+    AUTORADIOBUTTON "Ved forbind", ID_RB_BALLOON1, 28, 170, 50, 10, WS_GROUP | WS_TABSTOP
+    AUTORADIOBUTTON "Ved forbind/genforbind", ID_RB_BALLOON2, 86, 170, 90, 10
+    AUTORADIOBUTTON "Aldrig", ID_RB_BALLOON0, 181, 170, 40, 10
 END
 
 /* Advanced Dialog */
@@ -435,6 +436,8 @@ BEGIN
                                  "Tasks requiring administrative access may not work."
     IDS_ERR_NOTSTARTED_ISERVICE  """OpenVPNServiceInteractive"" is not started.\n"
                                  "Tasks requiring administrative access may not work."
+    IDS_ERR_NOTSTARTED_ISERVICE_ADM  """OpenVPNServiceInteractive"" is not started.\n"
+                                     "Wintun driver will not work."
 
     /* registry */
     IDS_ERR_GET_WINDOWS_DIR "Kunne ikke finde mappen hvor Windows er installeret."
diff --git a/res/openvpn-gui-res-en-msvc.rc b/res/openvpn-gui-res-en-msvc.rc
index 8794ca7..a790142 100644
--- a/res/openvpn-gui-res-en-msvc.rc
+++ b/res/openvpn-gui-res-en-msvc.rc
@@ -155,14 +155,15 @@ BEGIN
     GROUPBOX "Startup", 202, 6, 47, 235, 30
     AUTOCHECKBOX "Launch on Windows &startup", ID_CHK_STARTUP, 17, 59, 100, 12
 
-    GROUPBOX "Preferences", 202, 6, 82, 235, 90
+    GROUPBOX "Preferences", 202, 6, 82, 235, 105
     AUTOCHECKBOX "A&ppend to log", ID_CHK_LOG_APPEND, 17, 95, 60, 10
     AUTOCHECKBOX "Show script &window", ID_CHK_SHOW_SCRIPT_WIN, 17, 110, 200, 10
     AUTOCHECKBOX "S&ilent connection", ID_CHK_SILENT, 17, 125, 200, 10
-    LTEXT "Show Balloon", ID_TXT_BALLOON, 17, 140, 100, 10
-    AUTORADIOBUTTON "On &connect", ID_RB_BALLOON1, 28, 155, 50, 10, WS_GROUP | WS_TABSTOP
-    AUTORADIOBUTTON "On connect/&reconnect", ID_RB_BALLOON2, 86, 155, 90, 10
-    AUTORADIOBUTTON "&Never", ID_RB_BALLOON0, 181, 155, 40, 10
+    AUTOCHECKBOX "&Always use interactive service", ID_CHK_ALWAYS_USE_ISERVICE, 17, 140, 200, 10
+    LTEXT "Show Balloon", ID_TXT_BALLOON, 17, 155, 100, 10
+    AUTORADIOBUTTON "On &connect", ID_RB_BALLOON1, 28, 170, 50, 10, WS_GROUP | WS_TABSTOP
+    AUTORADIOBUTTON "On connect/&reconnect", ID_RB_BALLOON2, 86, 170, 90, 10
+    AUTORADIOBUTTON "&Never", ID_RB_BALLOON0, 181, 170, 40, 10
 END
 
 /* Advanced Dialog */
@@ -370,8 +371,9 @@ BEGIN
     IDS_NFO_RESTARTED "OpenVPN Service restarted."
     IDS_ERR_ACCESS_SERVICE_PIPE "Access to service pipe failed."
     IDS_ERR_WRITE_SERVICE_PIPE "Writing to service pipe failed."
-    IDS_ERR_INSTALL_ISERVICE     """OpenVPNServiceInteractive"" is not installed.\nTasks requiring administrative access may not work."
-    IDS_ERR_NOTSTARTED_ISERVICE  """OpenVPNServiceInteractive"" is not started.\nTasks requiring administrative access may not work."
+    IDS_ERR_INSTALL_ISERVICE     """OpenVPNServiceInteractive"" is not installed.\nWintun driver and tasks requiring administrative access may not work."
+    IDS_ERR_NOTSTARTED_ISERVICE  """OpenVPNServiceInteractive"" is not started.\nWintun driver and tasks requiring administrative access may not work."
+    IDS_ERR_NOTSTARTED_ISERVICE_ADM  """OpenVPNServiceInteractive"" is not started.\nWintun driver will not work."
 
     /* registry */
     IDS_ERR_GET_WINDOWS_DIR "Error getting Windows Directory."
diff --git a/res/openvpn-gui-res-en.rc b/res/openvpn-gui-res-en.rc
index 6b5173b..3c5ab91 100644
--- a/res/openvpn-gui-res-en.rc
+++ b/res/openvpn-gui-res-en.rc
@@ -158,14 +158,15 @@ BEGIN
     GROUPBOX "Startup", 202, 6, 47, 235, 30
     AUTOCHECKBOX "Launch on User &Logon", ID_CHK_STARTUP, 17, 59, 100, 12
 
-    GROUPBOX "Preferences", 202, 6, 82, 235, 90
+    GROUPBOX "Preferences", 202, 6, 82, 235, 105
     AUTOCHECKBOX "A&ppend to log", ID_CHK_LOG_APPEND, 17, 95, 60, 10
     AUTOCHECKBOX "Show script &window", ID_CHK_SHOW_SCRIPT_WIN, 17, 110, 200, 10
     AUTOCHECKBOX "S&ilent connection", ID_CHK_SILENT, 17, 125, 200, 10
-    LTEXT "Show Balloon", ID_TXT_BALLOON, 17, 140, 100, 10
-    AUTORADIOBUTTON "On &connect", ID_RB_BALLOON1, 28, 155, 50, 10, WS_GROUP | WS_TABSTOP
-    AUTORADIOBUTTON "On connect/&reconnect", ID_RB_BALLOON2, 86, 155, 90, 10
-    AUTORADIOBUTTON "&Never", ID_RB_BALLOON0, 181, 155, 40, 10
+    AUTOCHECKBOX "&Always use interactive service", ID_CHK_ALWAYS_USE_ISERVICE, 17, 140, 200, 10
+    LTEXT "Show Balloon", ID_TXT_BALLOON, 17, 155, 100, 10
+    AUTORADIOBUTTON "On &connect", ID_RB_BALLOON1, 28, 170, 50, 10, WS_GROUP | WS_TABSTOP
+    AUTORADIOBUTTON "On connect/&reconnect", ID_RB_BALLOON2, 86, 170, 90, 10
+    AUTORADIOBUTTON "&Never", ID_RB_BALLOON0, 181, 170, 40, 10
 END
 
 /* Advanced Dialog */
@@ -435,9 +436,11 @@ BEGIN
     IDS_ERR_ACCESS_SERVICE_PIPE "Access to service pipe failed."
     IDS_ERR_WRITE_SERVICE_PIPE "Writing to service pipe failed."
     IDS_ERR_INSTALL_ISERVICE     """OpenVPNServiceInteractive"" is not installed.\n"
-                                 "Tasks requiring administrative access may not work."
+                                 "Wintun driver and tasks requiring administrative access may not work."
     IDS_ERR_NOTSTARTED_ISERVICE  """OpenVPNServiceInteractive"" is not started.\n"
-                                 "Tasks requiring administrative access may not work."
+                                 "Wintun driver and tasks requiring administrative access may not work."
+    IDS_ERR_NOTSTARTED_ISERVICE_ADM  """OpenVPNServiceInteractive"" is not started.\n"
+                                     "Wintun driver will not work."
 
     /* registry */
     IDS_ERR_GET_WINDOWS_DIR "Error getting Windows Directory."
diff --git a/res/openvpn-gui-res-es.rc b/res/openvpn-gui-res-es.rc
index 9fecd5b..b5af775 100644
--- a/res/openvpn-gui-res-es.rc
+++ b/res/openvpn-gui-res-es.rc
@@ -155,14 +155,15 @@ BEGIN
     GROUPBOX "Startup", 202, 6, 47, 235, 30
     AUTOCHECKBOX "Launch on Windows startup", ID_CHK_STARTUP, 17, 59, 200, 12
 
-    GROUPBOX "Preferences", 202, 6, 82, 235, 90
+    GROUPBOX "Preferences", 202, 6, 82, 235, 105
     AUTOCHECKBOX "Append to log", ID_CHK_LOG_APPEND, 17, 95, 60, 10
     AUTOCHECKBOX "Show script window", ID_CHK_SHOW_SCRIPT_WIN, 17, 110, 200, 10
     AUTOCHECKBOX "Silent connection", ID_CHK_SILENT, 17, 125, 200, 10
-    LTEXT "Show Balloon", ID_TXT_BALLOON, 17, 140, 100, 10
-    AUTORADIOBUTTON "On connect", ID_RB_BALLOON1, 28, 155, 50, 10, WS_GROUP | WS_TABSTOP
-    AUTORADIOBUTTON "On connect/reconnect", ID_RB_BALLOON2, 86, 155, 90, 10
-    AUTORADIOBUTTON "Never", ID_RB_BALLOON0, 181, 155, 40, 10
+    AUTOCHECKBOX "Always use interactive service", ID_CHK_ALWAYS_USE_ISERVICE, 17, 140, 200, 10
+    LTEXT "Show Balloon", ID_TXT_BALLOON, 17, 155, 100, 10
+    AUTORADIOBUTTON "On connect", ID_RB_BALLOON1, 28, 170, 50, 10, WS_GROUP | WS_TABSTOP
+    AUTORADIOBUTTON "On connect/reconnect", ID_RB_BALLOON2, 86, 170, 90, 10
+    AUTORADIOBUTTON "Never", ID_RB_BALLOON0, 181, 170, 40, 10
 END
 
 /* Advanced Dialog */
@@ -432,6 +433,8 @@ BEGIN
                                  "Tasks requiring administrative access may not work."
     IDS_ERR_NOTSTARTED_ISERVICE  """OpenVPNServiceInteractive"" is not started.\n"
                                  "Tasks requiring administrative access may not work."
+    IDS_ERR_NOTSTARTED_ISERVICE_ADM  """OpenVPNServiceInteractive"" is not started.\n"
+                                     "Wintun driver will not work."
 
     /* registry */
     IDS_ERR_GET_WINDOWS_DIR "Error al obtener el directorio de Windows."
diff --git a/res/openvpn-gui-res-fi.rc b/res/openvpn-gui-res-fi.rc
index 9257ea4..c391c85 100644
--- a/res/openvpn-gui-res-fi.rc
+++ b/res/openvpn-gui-res-fi.rc
@@ -156,14 +156,15 @@ BEGIN
     GROUPBOX "Käynnistäminen", 202, 6, 47, 235, 30
     AUTOCHECKBOX "Käynnistä Windowsiin kirjautuessa", ID_CHK_STARTUP, 17, 59, 200, 12
 
-    GROUPBOX "Valinnat", 202, 6, 82, 235, 90
+    GROUPBOX "Valinnat", 202, 6, 82, 235, 105
     AUTOCHECKBOX "Lisää lokitiedostoon", ID_CHK_LOG_APPEND, 17, 95, 200, 10
     AUTOCHECKBOX "Näytä komentosarjaikkuna", ID_CHK_SHOW_SCRIPT_WIN, 17, 110, 200, 10
     AUTOCHECKBOX "Yhdistä taustalla", ID_CHK_SILENT, 17, 125, 200, 10
-    LTEXT "Näytä puhekupla", ID_TXT_BALLOON, 17, 140, 100, 10
-    AUTORADIOBUTTON "Yhdistettäessä", ID_RB_BALLOON1, 28, 155, 50, 10, WS_GROUP | WS_TABSTOP
-    AUTORADIOBUTTON "Myös uudelleenyhd.", ID_RB_BALLOON2, 86, 155, 90, 10
-    AUTORADIOBUTTON "Ei", ID_RB_BALLOON0, 181, 155, 40, 10
+    AUTOCHECKBOX "Käytä aina interaktiivista palvelua", ID_CHK_ALWAYS_USE_ISERVICE, 17, 140, 200, 10
+    LTEXT "Näytä puhekupla", ID_TXT_BALLOON, 17, 155, 100, 10
+    AUTORADIOBUTTON "Yhdistettäessä", ID_RB_BALLOON1, 28, 170, 50, 10, WS_GROUP | WS_TABSTOP
+    AUTORADIOBUTTON "Myös uudelleenyhd.", ID_RB_BALLOON2, 86, 170, 90, 10
+    AUTORADIOBUTTON "Ei", ID_RB_BALLOON0, 181, 170, 40, 10
 END
 
 /* Advanced Dialog */
@@ -433,9 +434,11 @@ BEGIN
     IDS_ERR_ACCESS_SERVICE_PIPE "Access to service pipe failed."
     IDS_ERR_WRITE_SERVICE_PIPE "Writing to service pipe failed."
     IDS_ERR_INSTALL_ISERVICE     """OpenVPNServiceInteractive"" ei ole asennettu.\n"
-                                 "Ylläpitäjän oikeuksia vaativat toimet eivät välttämättä onnistu."
+                                 "Wintun-ajuria ja ylläpitäjän oikeuksia vaativat toimet eivät välttämättä onnistu."
     IDS_ERR_NOTSTARTED_ISERVICE  """OpenVPNServiceInteractive"" ei ole käynnissä.\n"
-                                 "Ylläpitäjän oikeuksia vaativat toimet eivät välttämättä onnistu."
+                                 "Wintun-ajuria ja ylläpitäjän oikeuksia vaativat toimet eivät välttämättä onnistu."
+    IDS_ERR_NOTSTARTED_ISERVICE_ADM  """OpenVPNServiceInteractive"" ei ole käynnissä.\n"
+                                     "Wintun-ajuri ei toimi."
 
     /* registry */
     IDS_ERR_GET_WINDOWS_DIR "Virhe avattaessa Windows-kansiota."
diff --git a/res/openvpn-gui-res-fr.rc b/res/openvpn-gui-res-fr.rc
index 0d2505c..31cad00 100644
--- a/res/openvpn-gui-res-fr.rc
+++ b/res/openvpn-gui-res-fr.rc
@@ -156,14 +156,15 @@ BEGIN
     GROUPBOX "Démarrage", 202, 6, 47, 235, 30
     AUTOCHECKBOX "Lancer au démarrage de Windows", ID_CHK_STARTUP, 17, 59, 200, 12
 
-    GROUPBOX "Préférences", 202, 6, 82, 235, 90
+    GROUPBOX "Préférences", 202, 6, 82, 235, 105
     AUTOCHECKBOX "Ajouter au fichier log", ID_CHK_LOG_APPEND, 17, 95, 81, 10
     AUTOCHECKBOX "Afficher la fenêtre des scripts", ID_CHK_SHOW_SCRIPT_WIN, 17, 110, 200, 10
     AUTOCHECKBOX "Connexion silencieuse", ID_CHK_SILENT, 17, 125, 200, 10
-    LTEXT "Afficher une bulle d'information", ID_TXT_BALLOON, 17, 140, 100, 10
-    AUTORADIOBUTTON "Connexion", ID_RB_BALLOON1, 28, 155, 50, 10, WS_GROUP | WS_TABSTOP
-    AUTORADIOBUTTON "Connexion/Reconnexion", ID_RB_BALLOON2, 86, 155, 90, 10
-    AUTORADIOBUTTON "Jamais", ID_RB_BALLOON0, 181, 155, 40, 10
+    AUTOCHECKBOX "Always use interactive service", ID_CHK_ALWAYS_USE_ISERVICE, 17, 140, 200, 10
+    LTEXT "Afficher une bulle d'information", ID_TXT_BALLOON, 17, 155, 100, 10
+    AUTORADIOBUTTON "Connexion", ID_RB_BALLOON1, 28, 170, 50, 10, WS_GROUP | WS_TABSTOP
+    AUTORADIOBUTTON "Connexion/Reconnexion", ID_RB_BALLOON2, 86, 170, 90, 10
+    AUTORADIOBUTTON "Jamais", ID_RB_BALLOON0, 181, 170, 40, 10
 END
 
 /* Advanced Dialog */
@@ -435,6 +436,8 @@ BEGIN
                                  "Les tâches nécessitant un accès administratif peuvent ne pas fonctionner."
     IDS_ERR_NOTSTARTED_ISERVICE  """OpenVPNServiceInteractive"" n'est pas démarré.\n"
                                  "Les tâches nécessitant un accès administratif peuvent ne pas fonctionner."
+    IDS_ERR_NOTSTARTED_ISERVICE_ADM  """OpenVPNServiceInteractive"" n'est pas démarré.\n"
+                                     "Wintun driver will not work."
 
     /* registry */
     IDS_ERR_GET_WINDOWS_DIR "Impossible d'obtenir le Répertoire Windows."
diff --git a/res/openvpn-gui-res-it.rc b/res/openvpn-gui-res-it.rc
index da19065..0a559a5 100644
--- a/res/openvpn-gui-res-it.rc
+++ b/res/openvpn-gui-res-it.rc
@@ -156,14 +156,15 @@ BEGIN
     GROUPBOX "Avvio", 202, 6, 47, 235, 30
     AUTOCHECKBOX "&Avvia all'apertura di Windows", ID_CHK_STARTUP, 17, 59, 200, 12
 
-    GROUPBOX "Preferenze", 202, 6, 82, 235, 120
+    GROUPBOX "Preferenze", 202, 6, 82, 235, 135
     AUTOCHECKBOX "Aggiungi in coda al f&ile di log", ID_CHK_LOG_APPEND, 17, 95, 200, 10
     AUTOCHECKBOX "Mostra &finestra script", ID_CHK_SHOW_SCRIPT_WIN, 17, 110, 200, 10
     AUTOCHECKBOX "Connessione &silenziosa", ID_CHK_SILENT, 17, 125, 200, 10
-    LTEXT "Mostra notifica", ID_TXT_BALLOON, 17, 140, 150, 10
-    AUTORADIOBUTTON "Alla &connessione", ID_RB_BALLOON1, 28, 155, 200, 10, WS_GROUP | WS_TABSTOP
-    AUTORADIOBUTTON "Alla connessione/&riconnessione", ID_RB_BALLOON2, 28, 170, 200, 10
-    AUTORADIOBUTTON "&Mai", ID_RB_BALLOON0, 28, 185, 200, 10
+    AUTOCHECKBOX "Utilizza sempre il servizio interattivo", ID_CHK_ALWAYS_USE_ISERVICE, 17, 140, 200, 10
+    LTEXT "Mostra notifica", ID_TXT_BALLOON, 17, 155, 150, 10
+    AUTORADIOBUTTON "Alla &connessione", ID_RB_BALLOON1, 28, 170, 200, 10, WS_GROUP | WS_TABSTOP
+    AUTORADIOBUTTON "Alla connessione/&riconnessione", ID_RB_BALLOON2, 28, 185, 200, 10
+    AUTORADIOBUTTON "&Mai", ID_RB_BALLOON0, 28, 200, 200, 10
 END
 
 /* Advanced Dialog */
@@ -435,6 +436,8 @@ BEGIN
                                  "Le operazioni che richiedono accesso amministrativo potrebbero non funzionare."
     IDS_ERR_NOTSTARTED_ISERVICE  """OpenVPNServiceInteractive"" non è stato avviato.\n"
                                  "Le operazioni che richiedono accesso amministrativo potrebbero non funzionare."
+    IDS_ERR_NOTSTARTED_ISERVICE_ADM  """OpenVPNServiceInteractive"" non è stato avviato.\n"
+                                     "Il driver Wintun non potrà funzionare."
 
     /* registry */
     IDS_ERR_GET_WINDOWS_DIR "Errore nell'ottenere la cartella di Windows."
diff --git a/res/openvpn-gui-res-jp.rc b/res/openvpn-gui-res-jp.rc
index 20a7bd0..a424689 100644
--- a/res/openvpn-gui-res-jp.rc
+++ b/res/openvpn-gui-res-jp.rc
@@ -157,14 +157,15 @@ BEGIN
     GROUPBOX "Startup", 202, 6, 47, 235, 30
     AUTOCHECKBOX "Launch on Windows startup", ID_CHK_STARTUP, 17, 59, 200, 12
 
-    GROUPBOX "Preferences", 202, 6, 82, 235, 90
+    GROUPBOX "Preferences", 202, 6, 82, 235, 105
     AUTOCHECKBOX "ログファイルに追記", ID_CHK_LOG_APPEND, 17, 95, 200, 10
     AUTOCHECKBOX "スクリプト実行ウィンドウを表示する", ID_CHK_SHOW_SCRIPT_WIN, 17, 110, 200, 10
     AUTOCHECKBOX "接続時にステータスダイアログを表示しない", ID_CHK_SILENT, 17, 125, 200, 10
-    LTEXT "Show Balloon", ID_TXT_BALLOON, 17, 140, 100, 10
-    AUTORADIOBUTTON "初期接続時", ID_RB_BALLOON1, 22, 155, 60, 10, WS_GROUP | WS_TABSTOP
-    AUTORADIOBUTTON "毎回の接続時", ID_RB_BALLOON2, 96, 155, 90, 10
-    AUTORADIOBUTTON "表示しない", ID_RB_BALLOON0, 181, 155, 40, 10
+    AUTOCHECKBOX "Always use interactive service", ID_CHK_ALWAYS_USE_ISERVICE, 17, 140, 200, 10
+    LTEXT "Show Balloon", ID_TXT_BALLOON, 17, 155, 100, 10
+    AUTORADIOBUTTON "初期接続時", ID_RB_BALLOON1, 22, 170, 60, 10, WS_GROUP | WS_TABSTOP
+    AUTORADIOBUTTON "毎回の接続時", ID_RB_BALLOON2, 96, 170, 90, 10
+    AUTORADIOBUTTON "表示しない", ID_RB_BALLOON0, 181, 170, 40, 10
 END
 
 /* Advanced Dialog */
@@ -434,6 +435,8 @@ BEGIN
                                  "Tasks requiring administrative access may not work."
     IDS_ERR_NOTSTARTED_ISERVICE  """OpenVPNServiceInteractive"" is not started.\n"
                                  "Tasks requiring administrative access may not work."
+    IDS_ERR_NOTSTARTED_ISERVICE_ADM  """OpenVPNServiceInteractive"" is not started.\n"
+                                     "Wintun driver will not work."
 
     /* registry */
     IDS_ERR_GET_WINDOWS_DIR "Windowsディレクトリが取得できませんでした。"
diff --git a/res/openvpn-gui-res-kr.rc b/res/openvpn-gui-res-kr.rc
index 017b9d9..4045e3f 100644
--- a/res/openvpn-gui-res-kr.rc
+++ b/res/openvpn-gui-res-kr.rc
@@ -158,14 +158,15 @@ BEGIN
     GROUPBOX "시작 설정", 202, 6, 47, 235, 30
     AUTOCHECKBOX "Windows 시작 시에 실행", ID_CHK_STARTUP, 17, 59, 100, 12
 
-    GROUPBOX "환경 설정", 202, 6, 82, 235, 90
+    GROUPBOX "환경 설정", 202, 6, 82, 235, 105
     AUTOCHECKBOX "로그 파일에 추가", ID_CHK_LOG_APPEND, 17, 95, 200, 10
     AUTOCHECKBOX "스크립트 창 보기", ID_CHK_SHOW_SCRIPT_WIN, 17, 110, 200, 10
     AUTOCHECKBOX "연결 시 상태 대화 상자 표시하지 않기", ID_CHK_SILENT, 17, 125, 200, 10
-    LTEXT "풍선말 보기", ID_TXT_BALLOON, 17, 140, 100, 10
-    AUTORADIOBUTTON "연결 시", ID_RB_BALLOON1, 28, 155, 50, 10, WS_GROUP | WS_TABSTOP
-    AUTORADIOBUTTON "연결/재연결 시", ID_RB_BALLOON2, 86, 155, 88, 10
-    AUTORADIOBUTTON "표시 안함", ID_RB_BALLOON0, 176, 155, 45, 10
+    AUTOCHECKBOX "Always use interactive service", ID_CHK_ALWAYS_USE_ISERVICE, 17, 140, 200, 10
+    LTEXT "풍선말 보기", ID_TXT_BALLOON, 17, 155, 100, 10
+    AUTORADIOBUTTON "연결 시", ID_RB_BALLOON1, 28, 170, 50, 10, WS_GROUP | WS_TABSTOP
+    AUTORADIOBUTTON "연결/재연결 시", ID_RB_BALLOON2, 86, 170, 88, 10
+    AUTORADIOBUTTON "표시 안함", ID_RB_BALLOON0, 176, 170, 45, 10
 END
 
 /* Advanced Dialog */
@@ -433,6 +434,8 @@ BEGIN
                                  "Tasks requiring administrative access may not work."
     IDS_ERR_NOTSTARTED_ISERVICE  """OpenVPNServiceInteractive"" is not started.\n"
                                  "Tasks requiring administrative access may not work."
+    IDS_ERR_NOTSTARTED_ISERVICE_ADM  """OpenVPNServiceInteractive"" is not started.\n"
+                                     "Wintun driver will not work."
 
     /* registry */
     IDS_ERR_GET_WINDOWS_DIR "Windows 디렉토리 경로를 알 수 없습니다."
diff --git a/res/openvpn-gui-res-nl.rc b/res/openvpn-gui-res-nl.rc
index 94ef54c..6bdf38b 100644
--- a/res/openvpn-gui-res-nl.rc
+++ b/res/openvpn-gui-res-nl.rc
@@ -157,14 +157,15 @@ BEGIN
     GROUPBOX "Opstarten", 202, 6, 47, 235, 30
     AUTOCHECKBOX "Opstarten met Windows", ID_CHK_STARTUP, 17, 59, 200, 12
 
-    GROUPBOX "Voorkeuren", 202, 6, 82, 235, 90
+    GROUPBOX "Voorkeuren", 202, 6, 82, 235, 105
     AUTOCHECKBOX "Aan logbestand toevoegen", ID_CHK_LOG_APPEND, 17, 95, 200, 10
     AUTOCHECKBOX "Script-venster tonen", ID_CHK_SHOW_SCRIPT_WIN, 17, 110, 200, 10
     AUTOCHECKBOX "Stille verbinding", ID_CHK_SILENT, 17, 125, 200, 10
-    LTEXT "Laat ballontip zien", ID_TXT_BALLOON, 17, 140, 100, 10
-    AUTORADIOBUTTON "Bij verbinden", ID_RB_BALLOON1, 28, 155, 50, 10, WS_GROUP | WS_TABSTOP
-    AUTORADIOBUTTON "Bij opnieuw verbinden", ID_RB_BALLOON2, 86, 155, 90, 10
-    AUTORADIOBUTTON "Nooit", ID_RB_BALLOON0, 181, 155, 40, 10
+    AUTOCHECKBOX "Gebruik altijd interactieve service", ID_CHK_ALWAYS_USE_ISERVICE, 17, 140, 200, 10
+    LTEXT "Laat ballontip zien", ID_TXT_BALLOON, 17, 155, 100, 10
+    AUTORADIOBUTTON "Bij verbinden", ID_RB_BALLOON1, 28, 170, 50, 10, WS_GROUP | WS_TABSTOP
+    AUTORADIOBUTTON "Bij opnieuw verbinden", ID_RB_BALLOON2, 86, 170, 90, 10
+    AUTORADIOBUTTON "Nooit", ID_RB_BALLOON0, 181, 170, 40, 10
 END
 
 /* Advanced Dialog */
@@ -434,9 +435,11 @@ BEGIN
     IDS_ERR_ACCESS_SERVICE_PIPE "Toegang tot service pipe mislukt."
     IDS_ERR_WRITE_SERVICE_PIPE "Schrijven naar service pipe mislukt."
     IDS_ERR_INSTALL_ISERVICE     """OpenVPNServiceInteractive"" is niet geinstalleerd.\n"
-                                 "Taken die administratieve rechten nodig hebben werken mogelijk niet."
+                                 "Wintun driver en taken die administratieve rechten vereisen werken mogelijk niet."
     IDS_ERR_NOTSTARTED_ISERVICE  """OpenVPNServiceInteractive"" is niet gestart.\n"
-                                 "Taken die administratieve rechten nodig hebben werken mogelijk niet."
+                                 "Wintun driver en taken die administratieve rechten vereisen werken mogelijk niet."
+    IDS_ERR_NOTSTARTED_ISERVICE_ADM  """OpenVPNServiceInteractive"" is niet gestart.\n"
+                                     "Wintun driver wil niet werken."
 
     /* registry */
     IDS_ERR_GET_WINDOWS_DIR "Fout tijdens opvragen Windows-map."
diff --git a/res/openvpn-gui-res-no.rc b/res/openvpn-gui-res-no.rc
index ddfe92b..5acb315 100644
--- a/res/openvpn-gui-res-no.rc
+++ b/res/openvpn-gui-res-no.rc
@@ -156,14 +156,15 @@ BEGIN
     GROUPBOX "Oppstart", 202, 6, 47, 235, 30
     AUTOCHECKBOX "Kjør automatisk når Windows starter", ID_CHK_STARTUP, 17, 59, 200, 12
 
-    GROUPBOX "Innstillinger", 202, 6, 82, 235, 90
+    GROUPBOX "Innstillinger", 202, 6, 82, 235, 105
     AUTOCHECKBOX "Tilføy til eksisterende logg", ID_CHK_LOG_APPEND, 17, 95, 93, 10
     AUTOCHECKBOX "Vis scriptvindu", ID_CHK_SHOW_SCRIPT_WIN, 17, 110, 200, 10
     AUTOCHECKBOX "Skjul statusvindu ved tilkobling", ID_CHK_SILENT, 17, 125, 200, 10
-    LTEXT "Vis ballong", ID_TXT_BALLOON, 17, 140, 100, 10
-    AUTORADIOBUTTON "Ved tilkobling", ID_RB_BALLOON1, 28, 155, 58, 10, WS_GROUP | WS_TABSTOP
-    AUTORADIOBUTTON "Ved tilkobling/gjenoppkobling", ID_RB_BALLOON2, 87, 155, 103, 10
-    AUTORADIOBUTTON "Aldri", ID_RB_BALLOON0, 200, 155, 27, 10
+    AUTOCHECKBOX "Bruk alltid Interactive Service", ID_CHK_ALWAYS_USE_ISERVICE, 17, 140, 200, 10
+    LTEXT "Vis ballong", ID_TXT_BALLOON, 17, 155, 100, 10
+    AUTORADIOBUTTON "Ved tilkobling", ID_RB_BALLOON1, 28, 170, 58, 10, WS_GROUP | WS_TABSTOP
+    AUTORADIOBUTTON "Ved tilkobling/gjenoppkobling", ID_RB_BALLOON2, 87, 170, 103, 10
+    AUTORADIOBUTTON "Aldri", ID_RB_BALLOON0, 200, 170, 27, 10
 END
 
 /* Advanced Dialog */
@@ -428,6 +429,8 @@ BEGIN
                                  "Denne oppgaven fungerer kanskje ikke uten administrator-rettigheter."
     IDS_ERR_NOTSTARTED_ISERVICE  """OpenVPNServiceInteractive"" er ikke startet.\n"
                                  "Denne oppgaven fungerer kanskje ikke uten administrator-rettigheter."
+    IDS_ERR_NOTSTARTED_ISERVICE_ADM  """OpenVPNServiceInteractive"" er ikke startet.\n"
+                                     "Wintun driver will not work."
 
     /* registry */
     IDS_ERR_GET_WINDOWS_DIR "Kunne ikke finne mappen hvor Windows er installert."
diff --git a/res/openvpn-gui-res-pl.rc b/res/openvpn-gui-res-pl.rc
index e4cce3d..1260c1b 100644
--- a/res/openvpn-gui-res-pl.rc
+++ b/res/openvpn-gui-res-pl.rc
@@ -157,14 +157,15 @@ BEGIN
     GROUPBOX "Startup", 202, 6, 47, 235, 30
     AUTOCHECKBOX "Launch on Windows startup", ID_CHK_STARTUP, 17, 59, 200, 12
 
-    GROUPBOX "Preferences", 202, 6, 82, 235, 90
+    GROUPBOX "Preferences", 202, 6, 82, 235, 105
     AUTOCHECKBOX "Append to log", ID_CHK_LOG_APPEND, 17, 95, 60, 10
     AUTOCHECKBOX "Show script window", ID_CHK_SHOW_SCRIPT_WIN, 17, 110, 200, 10
     AUTOCHECKBOX "Silent connection", ID_CHK_SILENT, 17, 125, 200, 10
-    LTEXT "Show Balloon", ID_TXT_BALLOON, 17, 140, 100, 10
-    AUTORADIOBUTTON "On connect", ID_RB_BALLOON1, 28, 155, 50, 10, WS_GROUP | WS_TABSTOP
-    AUTORADIOBUTTON "On connect/reconnect", ID_RB_BALLOON2, 86, 155, 90, 10
-    AUTORADIOBUTTON "Never", ID_RB_BALLOON0, 181, 155, 40, 10
+    AUTOCHECKBOX "Always use interactive service", ID_CHK_ALWAYS_USE_ISERVICE, 17, 140, 200, 10
+    LTEXT "Show Balloon", ID_TXT_BALLOON, 17, 155, 100, 10
+    AUTORADIOBUTTON "On connect", ID_RB_BALLOON1, 28, 170, 50, 10, WS_GROUP | WS_TABSTOP
+    AUTORADIOBUTTON "On connect/reconnect", ID_RB_BALLOON2, 86, 170, 90, 10
+    AUTORADIOBUTTON "Never", ID_RB_BALLOON0, 181, 170, 40, 10
 END
 
 /* Advanced Dialog */
@@ -434,6 +435,8 @@ BEGIN
                                  "Tasks requiring administrative access may not work."
     IDS_ERR_NOTSTARTED_ISERVICE  """OpenVPNServiceInteractive"" is not started.\n"
                                  "Tasks requiring administrative access may not work."
+    IDS_ERR_NOTSTARTED_ISERVICE_ADM  """OpenVPNServiceInteractive"" is not started.\n"
+                                     "Wintun driver will not work."
 
     /* registry */
     IDS_ERR_GET_WINDOWS_DIR "Błąd przy pobieraniu nazwy katalogu systemowego Windows."
diff --git a/res/openvpn-gui-res-pt.rc b/res/openvpn-gui-res-pt.rc
index 28d3e89..be8158d 100644
--- a/res/openvpn-gui-res-pt.rc
+++ b/res/openvpn-gui-res-pt.rc
@@ -155,14 +155,15 @@ BEGIN
     GROUPBOX "Inicialização", 202, 6, 47, 235, 30
     AUTOCHECKBOX "Executar ao iniciar o Windows", ID_CHK_STARTUP, 17, 59, 200, 12
 
-    GROUPBOX "Preferences", 202, 6, 82, 235, 90
+    GROUPBOX "Preferences", 202, 6, 82, 235, 105
     AUTOCHECKBOX "Append to log", ID_CHK_LOG_APPEND, 17, 95, 60, 10
     AUTOCHECKBOX "Show script window", ID_CHK_SHOW_SCRIPT_WIN, 17, 110, 200, 10
     AUTOCHECKBOX "Silent connection", ID_CHK_SILENT, 17, 125, 200, 10
-    LTEXT "Show Balloon", ID_TXT_BALLOON, 17, 140, 100, 10
-    AUTORADIOBUTTON "On connect", ID_RB_BALLOON1, 28, 155, 50, 10, WS_GROUP | WS_TABSTOP
-    AUTORADIOBUTTON "On connect/reconnect", ID_RB_BALLOON2, 86, 155, 90, 10
-    AUTORADIOBUTTON "Never", ID_RB_BALLOON0, 181, 155, 40, 10
+    AUTOCHECKBOX "Always use interactive service", ID_CHK_ALWAYS_USE_ISERVICE, 17, 140, 200, 10
+    LTEXT "Show Balloon", ID_TXT_BALLOON, 17, 155, 100, 10
+    AUTORADIOBUTTON "On connect", ID_RB_BALLOON1, 28, 170, 50, 10, WS_GROUP | WS_TABSTOP
+    AUTORADIOBUTTON "On connect/reconnect", ID_RB_BALLOON2, 86, 170, 90, 10
+    AUTORADIOBUTTON "Never", ID_RB_BALLOON0, 181, 170, 40, 10
 END
 
 /* Advanced Dialog */
@@ -434,6 +435,8 @@ BEGIN
                                  "Operações que requeiram acesso de administrador podem não funcionar."
     IDS_ERR_NOTSTARTED_ISERVICE  """OpenVPNServiceInteractive"" não foi iniciado.\n"
                                  "Operações que requeiram acesso de administrador podem não funcionar."
+    IDS_ERR_NOTSTARTED_ISERVICE_ADM  """OpenVPNServiceInteractive"" não foi iniciado.\n"
+                                     "Wintun driver will not work."
 
     /* registry */
     IDS_ERR_GET_WINDOWS_DIR "Erro ao localizar o diretório do Windows."
diff --git a/res/openvpn-gui-res-ru.rc b/res/openvpn-gui-res-ru.rc
index d698e5a..b5bd247 100644
--- a/res/openvpn-gui-res-ru.rc
+++ b/res/openvpn-gui-res-ru.rc
@@ -158,14 +158,15 @@ BEGIN
     GROUPBOX "Запуск", 202, 6, 47, 235, 30
     AUTOCHECKBOX "Запускать при старте Windows", ID_CHK_STARTUP, 17, 59, 200, 12
 
-    GROUPBOX "Настройки", 202, 6, 82, 235, 90
+    GROUPBOX "Настройки", 202, 6, 82, 235, 105
     AUTOCHECKBOX "Дописывать, а не перезаписывать журнал", ID_CHK_LOG_APPEND, 17, 95, 200, 10
     AUTOCHECKBOX "Показывать окно выполнения", ID_CHK_SHOW_SCRIPT_WIN, 17, 110, 200, 10
     AUTOCHECKBOX "«Тихое» подключение", ID_CHK_SILENT, 17, 125, 200, 10
-    LTEXT "Отображать всплывающее окно при:", ID_TXT_BALLOON, 17, 140, 128, 10
-    AUTORADIOBUTTON "Подключении", ID_RB_BALLOON1, 20, 155, 62, 10, WS_GROUP | WS_TABSTOP
-    AUTORADIOBUTTON "Под- и переподключении", ID_RB_BALLOON2, 85, 155, 100, 10
-    AUTORADIOBUTTON "Никогда", ID_RB_BALLOON0, 190, 155, 43, 10
+    AUTOCHECKBOX "Всегда использовать интерактивный сервис", ID_CHK_ALWAYS_USE_ISERVICE, 17, 140, 200, 10
+    LTEXT "Отображать всплывающее окно при:", ID_TXT_BALLOON, 17, 155, 128, 10
+    AUTORADIOBUTTON "Подключении", ID_RB_BALLOON1, 20, 170, 62, 10, WS_GROUP | WS_TABSTOP
+    AUTORADIOBUTTON "Под- и переподключении", ID_RB_BALLOON2, 85, 170, 100, 10
+    AUTORADIOBUTTON "Никогда", ID_RB_BALLOON0, 190, 170, 43, 10
 END
 
 /* Advanced Dialog */
@@ -432,9 +433,11 @@ BEGIN
     IDS_ERR_ACCESS_SERVICE_PIPE "Попытка доступа к пайпу службы не удалась."
     IDS_ERR_WRITE_SERVICE_PIPE "Попытка записи в пайп службы не удалась."
     IDS_ERR_INSTALL_ISERVICE     """OpenVPNServiceInteractive"" не установлен.\n"
-                                 "Функциональность, требующая прав администратора, может не работать."
+                                 "Wintun драйвер и функциональность, требующая прав администратора, может не работать."
     IDS_ERR_NOTSTARTED_ISERVICE  """OpenVPNServiceInteractive"" не запущен.\n"
-                                 "Функциональность, требующая прав администратора, может не работать."
+                                 "Wintun драйвер и функциональность, требующая прав администратора, может не работать."
+    IDS_ERR_NOTSTARTED_ISERVICE_ADM  """OpenVPNServiceInteractive"" не запущен.\n"
+                                     "Wintun драйвер не будет работать."
 
     /* registry */
     IDS_ERR_GET_WINDOWS_DIR "Ошибка получения пути к папке ""Windows""."
diff --git a/res/openvpn-gui-res-se.rc b/res/openvpn-gui-res-se.rc
index 1ee3617..e4e01e1 100644
--- a/res/openvpn-gui-res-se.rc
+++ b/res/openvpn-gui-res-se.rc
@@ -155,14 +155,15 @@ BEGIN
     GROUPBOX "Startup", 202, 6, 47, 235, 30
     AUTOCHECKBOX "Launch on Windows startup", ID_CHK_STARTUP, 17, 59, 200, 12
 
-    GROUPBOX "Preferences", 202, 6, 82, 235, 90
+    GROUPBOX "Preferences", 202, 6, 82, 235, 105
     AUTOCHECKBOX "Append to log", ID_CHK_LOG_APPEND, 17, 95, 60, 10
     AUTOCHECKBOX "Show script window", ID_CHK_SHOW_SCRIPT_WIN, 17, 110, 200, 10
     AUTOCHECKBOX "Silent connection", ID_CHK_SILENT, 17, 125, 200, 10
-    LTEXT "Show Balloon", ID_TXT_BALLOON, 17, 140, 100, 10
-    AUTORADIOBUTTON "On connect", ID_RB_BALLOON1, 28, 155, 50, 10, WS_GROUP | WS_TABSTOP
-    AUTORADIOBUTTON "On connect/reconnect", ID_RB_BALLOON2, 86, 155, 90, 10
-    AUTORADIOBUTTON "Never", ID_RB_BALLOON0, 181, 155, 40, 10
+    AUTOCHECKBOX "Always use interactive service", ID_CHK_ALWAYS_USE_ISERVICE, 17, 140, 200, 10
+    LTEXT "Show Balloon", ID_TXT_BALLOON, 17, 155, 100, 10
+    AUTORADIOBUTTON "On connect", ID_RB_BALLOON1, 28, 170, 50, 10, WS_GROUP | WS_TABSTOP
+    AUTORADIOBUTTON "On connect/reconnect", ID_RB_BALLOON2, 86, 170, 90, 10
+    AUTORADIOBUTTON "Never", ID_RB_BALLOON0, 181, 170, 40, 10
 END
 
 /* Advanced Dialog */
@@ -431,6 +432,8 @@ BEGIN
                                  "Tasks requiring administrative access may not work."
     IDS_ERR_NOTSTARTED_ISERVICE  """OpenVPNServiceInteractive"" is not started.\n"
                                  "Tasks requiring administrative access may not work."
+    IDS_ERR_NOTSTARTED_ISERVICE_ADM  """OpenVPNServiceInteractive"" inte startad.\n"
+                                     "Wintun driver ska inte fungera."
 
     /* registry */
     IDS_ERR_GET_WINDOWS_DIR "Kunde inte hitta i vilken katalog Windows är installerat."
diff --git a/res/openvpn-gui-res-tr.rc b/res/openvpn-gui-res-tr.rc
index 1321e03..1f4cff3 100644
--- a/res/openvpn-gui-res-tr.rc
+++ b/res/openvpn-gui-res-tr.rc
@@ -157,14 +157,15 @@ BEGIN
     GROUPBOX "Startup", 202, 6, 47, 235, 30
     AUTOCHECKBOX "Launch on Windows startup", ID_CHK_STARTUP, 17, 59, 200, 12
 
-    GROUPBOX "Preferences", 202, 6, 82, 235, 90
+    GROUPBOX "Preferences", 202, 6, 82, 235, 105
     AUTOCHECKBOX "Append to log", ID_CHK_LOG_APPEND, 17, 95, 60, 10
     AUTOCHECKBOX "Show script window", ID_CHK_SHOW_SCRIPT_WIN, 17, 110, 200, 10
     AUTOCHECKBOX "Silent connection", ID_CHK_SILENT, 17, 125, 200, 10
-    LTEXT "Show Balloon", ID_TXT_BALLOON, 17, 140, 100, 10
-    AUTORADIOBUTTON "On connect", ID_RB_BALLOON1, 28, 155, 50, 10, WS_GROUP | WS_TABSTOP
-    AUTORADIOBUTTON "On connect/reconnect", ID_RB_BALLOON2, 86, 155, 90, 10
-    AUTORADIOBUTTON "Never", ID_RB_BALLOON0, 181, 155, 40, 10
+    AUTOCHECKBOX "Always use interactive service", ID_CHK_ALWAYS_USE_ISERVICE, 17, 140, 200, 10
+    LTEXT "Show Balloon", ID_TXT_BALLOON, 17, 155, 100, 10
+    AUTORADIOBUTTON "On connect", ID_RB_BALLOON1, 28, 170, 50, 10, WS_GROUP | WS_TABSTOP
+    AUTORADIOBUTTON "On connect/reconnect", ID_RB_BALLOON2, 86, 170, 90, 10
+    AUTORADIOBUTTON "Never", ID_RB_BALLOON0, 181, 170, 40, 10
 END
 
 /* Advanced Dialog */
@@ -434,6 +435,8 @@ BEGIN
                                  "Tasks requiring administrative access may not work."
     IDS_ERR_NOTSTARTED_ISERVICE  """OpenVPNServiceInteractive"" is not started.\n"
                                  "Tasks requiring administrative access may not work."
+    IDS_ERR_NOTSTARTED_ISERVICE_ADM  """OpenVPNServiceInteractive"" is not started.\n"
+                                     "Wintun driver will not work."
 
     /* registry */
     IDS_ERR_GET_WINDOWS_DIR "Windows dizinine erişim başarısız oldu."
diff --git a/res/openvpn-gui-res-ua.rc b/res/openvpn-gui-res-ua.rc
index 835b535..1f3b68a 100644
--- a/res/openvpn-gui-res-ua.rc
+++ b/res/openvpn-gui-res-ua.rc
@@ -156,14 +156,15 @@ BEGIN
     GROUPBOX "Запуск", 202, 6, 47, 235, 30
     AUTOCHECKBOX "Запускати при старті Windows", ID_CHK_STARTUP, 17, 59, 200, 12
 
-    GROUPBOX "Налаштування", 202, 6, 82, 235, 90
+    GROUPBOX "Налаштування", 202, 6, 82, 235, 105
     AUTOCHECKBOX "Додати, а не перезаписувати журнал", ID_CHK_LOG_APPEND, 17, 95, 200, 10
     AUTOCHECKBOX "Показывати вікно виконання", ID_CHK_SHOW_SCRIPT_WIN, 17, 110, 200, 10
     AUTOCHECKBOX "«Тихе» підключення", ID_CHK_SILENT, 17, 125, 200, 10
-    LTEXT "Відображати спливаюче вікно при:", ID_TXT_BALLOON, 17, 140, 128, 10
-    AUTORADIOBUTTON "Підключенні", ID_RB_BALLOON1, 20, 155, 62, 10, WS_GROUP | WS_TABSTOP
-    AUTORADIOBUTTON "Під- та перепідключенні", ID_RB_BALLOON2, 85, 155, 100, 10
-    AUTORADIOBUTTON "Ніколи", ID_RB_BALLOON0, 190, 155, 43, 10
+    AUTOCHECKBOX "Завжди використовувати інтерактивний сервіс", ID_CHK_ALWAYS_USE_ISERVICE, 17, 140, 200, 10
+    LTEXT "Відображати спливаюче вікно при:", ID_TXT_BALLOON, 17, 155, 128, 10
+    AUTORADIOBUTTON "Підключенні", ID_RB_BALLOON1, 20, 170, 62, 10, WS_GROUP | WS_TABSTOP
+    AUTORADIOBUTTON "Під- та перепідключенні", ID_RB_BALLOON2, 85, 170, 100, 10
+    AUTORADIOBUTTON "Ніколи", ID_RB_BALLOON0, 190, 170, 43, 10
 END
 
 /* Advanced Dialog */
@@ -434,6 +435,8 @@ BEGIN
                                  "Функціональність, що потребує прав адміністратора, може не працювати."
     IDS_ERR_NOTSTARTED_ISERVICE  """OpenVPNServiceInteractive"" не запущено.\n"
                                  "Функціональність, що потребує прав адміністратора, може не працювати."
+    IDS_ERR_NOTSTARTED_ISERVICE_ADM  """OpenVPNServiceInteractive"" не запущено.\n"
+                                     "Wintun драйвер не буде працювати."
 
     /* registry */
     IDS_ERR_GET_WINDOWS_DIR "Помилка отримання розташування ""Windows""."
diff --git a/res/openvpn-gui-res-zh-hans.rc b/res/openvpn-gui-res-zh-hans.rc
index 6fa7e8a..991c0e0 100644
--- a/res/openvpn-gui-res-zh-hans.rc
+++ b/res/openvpn-gui-res-zh-hans.rc
@@ -159,14 +159,15 @@ BEGIN
     GROUPBOX "启动", 202, 6, 47, 235, 30
     AUTOCHECKBOX "在 Windows 开机时启动", ID_CHK_STARTUP, 17, 59, 200, 12
 
-    GROUPBOX "偏好设置", 202, 6, 82, 235, 90
+    GROUPBOX "偏好设置", 202, 6, 82, 235, 105
     AUTOCHECKBOX "追加日志文件", ID_CHK_LOG_APPEND, 17, 95, 60, 10
     AUTOCHECKBOX "显示脚本窗口", ID_CHK_SHOW_SCRIPT_WIN, 17, 110, 200, 10
     AUTOCHECKBOX "静默连接", ID_CHK_SILENT, 17, 125, 200, 10
-    LTEXT "显示通知", ID_TXT_BALLOON, 17, 140, 100, 10
-    AUTORADIOBUTTON "连接时", ID_RB_BALLOON1, 28, 155, 50, 10, WS_GROUP | WS_TABSTOP
-    AUTORADIOBUTTON "连接时、重新连接时", ID_RB_BALLOON2, 86, 155, 90, 10
-    AUTORADIOBUTTON "从不", ID_RB_BALLOON0, 181, 155, 50, 10
+    AUTOCHECKBOX "Always use interactive service", ID_CHK_ALWAYS_USE_ISERVICE, 17, 140, 200, 10
+    LTEXT "显示通知", ID_TXT_BALLOON, 17, 155, 100, 10
+    AUTORADIOBUTTON "连接时", ID_RB_BALLOON1, 28, 170, 50, 10, WS_GROUP | WS_TABSTOP
+    AUTORADIOBUTTON "连接时、重新连接时", ID_RB_BALLOON2, 86, 170, 90, 10
+    AUTORADIOBUTTON "从不", ID_RB_BALLOON0, 181, 170, 50, 10
 END
 
 /* Advanced Dialog */
@@ -437,6 +438,8 @@ BEGIN
                                  "需要管理员权限的任务可能无法正常执行。"
     IDS_ERR_NOTSTARTED_ISERVICE  "未启动「OpenVPNServiceInteractive」。\n"
                                  "需要管理员权限的任务可能无法正常执行。"
+    IDS_ERR_NOTSTARTED_ISERVICE_ADM  "未启动「OpenVPNServiceInteractive」。"
+                                     "Wintun driver will not work."
 
     /* registry */
     IDS_ERR_GET_WINDOWS_DIR "获取 Windows 目录时发生错误。"
diff --git a/res/openvpn-gui-res-zh-hant.rc b/res/openvpn-gui-res-zh-hant.rc
index 2dafd44..cfbbec4 100644
--- a/res/openvpn-gui-res-zh-hant.rc
+++ b/res/openvpn-gui-res-zh-hant.rc
@@ -159,14 +159,15 @@ BEGIN
     GROUPBOX "啟動", 202, 6, 47, 235, 30
     AUTOCHECKBOX "在 Windows 開機時執行", ID_CHK_STARTUP, 17, 59, 200, 12
 
-    GROUPBOX "偏好設定", 202, 6, 82, 235, 90
+    GROUPBOX "偏好設定", 202, 6, 82, 235, 105
     AUTOCHECKBOX "附加記錄檔", ID_CHK_LOG_APPEND, 17, 95, 60, 10
     AUTOCHECKBOX "顯示指令碼視窗", ID_CHK_SHOW_SCRIPT_WIN, 17, 110, 200, 10
     AUTOCHECKBOX "寧靜連線", ID_CHK_SILENT, 17, 125, 200, 10
-    LTEXT "顯示通知氣球", ID_TXT_BALLOON, 17, 140, 100, 10
-    AUTORADIOBUTTON "連上線時", ID_RB_BALLOON1, 28, 155, 50, 10, WS_GROUP | WS_TABSTOP
-    AUTORADIOBUTTON "連上線、重新連線時", ID_RB_BALLOON2, 86, 155, 90, 10
-    AUTORADIOBUTTON "永不顯示", ID_RB_BALLOON0, 181, 155, 50, 10
+    AUTOCHECKBOX "Always use interactive service", ID_CHK_ALWAYS_USE_ISERVICE, 17, 140, 200, 10
+    LTEXT "顯示通知氣球", ID_TXT_BALLOON, 17, 155, 100, 10
+    AUTORADIOBUTTON "連上線時", ID_RB_BALLOON1, 28, 170, 50, 10, WS_GROUP | WS_TABSTOP
+    AUTORADIOBUTTON "連上線、重新連線時", ID_RB_BALLOON2, 86, 170, 90, 10
+    AUTORADIOBUTTON "永不顯示", ID_RB_BALLOON0, 181, 170, 50, 10
 END
 
 /* Advanced Dialog */
@@ -437,6 +438,8 @@ BEGIN
                                  "需要管理員權限的任務可能無法正常執行。"
     IDS_ERR_NOTSTARTED_ISERVICE  "未啟動「OpenVPNServiceInteractive」。\n"
                                  "需要管理員權限的任務可能無法正常執行。"
+    IDS_ERR_NOTSTARTED_ISERVICE_ADM  "未啟動「OpenVPNServiceInteractive」。\n"
+                                     "Wintun driver will not work."
 
     /* registry */
     IDS_ERR_GET_WINDOWS_DIR "取得 Windows 目錄時發生錯誤。"
diff --git a/service.c b/service.c
index 5843cd9..276c010 100644
--- a/service.c
+++ b/service.c
@@ -32,6 +32,7 @@
 #include "options.h"
 #include "scripts.h"
 #include "main.h"
+#include "misc.h"
 #include "openvpn-gui-res.h"
 #include "localization.h"
 
@@ -283,7 +284,12 @@ CheckIServiceStatus(BOOL warn)
     {
         /* warn that iservice is not started */
         if (warn)
-            ShowLocalizedMsg(IDS_ERR_NOTSTARTED_ISERVICE);
+        {
+            if (IsUserAdmin())
+                ShowLocalizedMsg(IDS_ERR_NOTSTARTED_ISERVICE_ADM);
+            else
+                ShowLocalizedMsg(IDS_ERR_NOTSTARTED_ISERVICE);
+        }
         goto out;
     }
     ret = true;