Installer enhancement: prevent arm64 installer from installing on non ARM64 system

Fix #12320, close #12331

PowerEditor/installer/nppSetup.nsi

@@ -172,7 +172,7 @@ updaterDone:
 
 	Call SetRoughEstimation		; This is rough estimation of files present in function copyCommonFiles
 	InitPluginsDir			; Initializes the plug-ins dir ($PLUGINSDIR) if not already initialized.
-	Call preventInstallInWin9x
+	Call checkCompatibility		; check unsupported OSes and CPUs
 		
 	; look for previously selected language
 	ClearErrors

PowerEditor/installer/nsisInclude/tools.nsh

@@ -124,28 +124,28 @@ Function ExtraOptions
 	nsDialogs::Show
 FunctionEnd
 
-Function preventInstallInWin9x
-	;Test if window9x
+Function checkCompatibility
+
 	${GetWindowsVersion} $WinVer
 	
 	StrCmp $WinVer "95" 0 +3
-		MessageBox MB_OK "Notepad++ does not support your OS. The installation will be aborted."
+		MessageBox MB_OK|MB_ICONSTOP "Notepad++ does not support your OS. The installation will be aborted."
 		Abort
 		
 	StrCmp $WinVer "98" 0 +3
-		MessageBox MB_OK "Notepad++ does not support your OS. The installation will be aborted."
+		MessageBox MB_OK|MB_ICONSTOP "Notepad++ does not support your OS. The installation will be aborted."
 		Abort
 		
 	StrCmp $WinVer "ME" 0 +3
-		MessageBox MB_OK "Notepad++ does not support your OS. The installation will be aborted."
+		MessageBox MB_OK|MB_ICONSTOP "Notepad++ does not support your OS. The installation will be aborted."
 		Abort
 		
 	StrCmp $WinVer "2000" 0 +3 ; Windows 2000
-		MessageBox MB_OK "Notepad++ does not support your OS. The installation will be aborted."
+		MessageBox MB_OK|MB_ICONSTOP "Notepad++ does not support your OS. The installation will be aborted."
 		Abort
 		
 	StrCmp $WinVer "XP" 0 xp_endTest ; XP
-		MessageBox MB_YESNO "This version of Notepad++ doesn't support Windows XP. The installation will be aborted.$\nDo you want to go to Notepad++ download page for downloading the last version which supports XP (v7.9.2)?" IDYES xp_openDlPage IDNO xp_goQuit
+		MessageBox MB_YESNO|MB_ICONSTOP "This version of Notepad++ doesn't support Windows XP. The installation will be aborted.$\n$\nDo you want to go to Notepad++ download page for downloading the last version which supports XP (v7.9.2)?" IDYES xp_openDlPage IDNO xp_goQuit
 xp_openDlPage:
 		ExecShell "open" "https://notepad-plus-plus.org/downloads/v7.9.2/"
 xp_goQuit:
@@ -153,12 +153,26 @@ xp_goQuit:
 xp_endTest:
 		
 	StrCmp $WinVer "2003" 0 ws2003_endTest ; Windows Server 2003
-		MessageBox MB_YESNO "This version of Notepad++ doesn't support Windows Server 2003. The installation will be aborted.$\nDo you want to go to Notepad++ download page for downloading the last version which supports this OS?" IDYES ws2003_openDlPage IDNO ws2003_goQuit
+		MessageBox MB_YESNO|MB_ICONSTOP "This version of Notepad++ doesn't support Windows Server 2003. The installation will be aborted.$\n$\nDo you want to go to Notepad++ download page for downloading the last version which supports this OS?" IDYES ws2003_openDlPage IDNO ws2003_goQuit
 ws2003_openDlPage:
 		ExecShell "open" "https://notepad-plus-plus.org/downloads/v7.9.2/"
 ws2003_goQuit:
 		Abort
 ws2003_endTest:
+
+!ifdef ARCHARM64
+	${If} ${IsNativeARM64}
+		; OK
+	${Else}
+		; we cannot run ARM64 binaries on a x86/x64 CPU (the other way around is possible - x86 on ARM64 CPU)
+		MessageBox MB_YESNO|MB_ICONSTOP "This installer contains ARM64 version of Notepad++ incompatible with your computer processor running, so the installation will be aborted.$\n$\nDo you want to go to the Notepad++ site to download a compatible (x86/x64) installer instead?" IDYES arm64_openDlPage IDNO arm64_goQuit
+arm64_openDlPage:
+		ExecShell "open" "https://notepad-plus-plus.org/downloads/"
+arm64_goQuit:
+		Abort
+	${EndIf}
+!endif
+
 FunctionEnd