diff --git a/eng/build.yml b/eng/build.yml
index 28c9a1e..0c65cdf 100644
--- a/eng/build.yml
+++ b/eng/build.yml
@@ -40,10 +40,10 @@ jobs:
       projects: src\WinSW.sln
       arguments: -c $(BuildConfiguration) -p:Version=$(BuildVersion)
   - script: |
-      dotnet publish src\WinSW\WinSW.csproj -c $(BuildConfiguration) -f net5.0 -r win-x64 -p:Version=$(BuildVersion)
-      dotnet publish src\WinSW\WinSW.csproj -c $(BuildConfiguration) -f net5.0 -r win-x86 -p:Version=$(BuildVersion)
-      dotnet publish src\WinSW\WinSW.csproj -c $(BuildConfiguration) -f net5.0 -r win-x64 -p:Version=$(BuildVersion) -p:IncludeNativeLibrariesInSingleFile=true
-      dotnet publish src\WinSW\WinSW.csproj -c $(BuildConfiguration) -f net5.0 -r win-x86 -p:Version=$(BuildVersion) -p:IncludeNativeLibrariesInSingleFile=true
+      dotnet publish src\WinSW\WinSW.csproj -c $(BuildConfiguration) -f net5.0-windows -r win-x64 -p:Version=$(BuildVersion)
+      dotnet publish src\WinSW\WinSW.csproj -c $(BuildConfiguration) -f net5.0-windows -r win-x86 -p:Version=$(BuildVersion)
+      dotnet publish src\WinSW\WinSW.csproj -c $(BuildConfiguration) -f net5.0-windows -r win-x64 -p:Version=$(BuildVersion) -p:IncludeNativeLibrariesInSingleFile=true
+      dotnet publish src\WinSW\WinSW.csproj -c $(BuildConfiguration) -f net5.0-windows -r win-x86 -p:Version=$(BuildVersion) -p:IncludeNativeLibrariesInSingleFile=true
     displayName: Build
   - task: DotNetCoreCLI@2
     displayName: Test
diff --git a/src/WinSW.Core/Configuration/XmlServiceConfig.cs b/src/WinSW.Core/Configuration/XmlServiceConfig.cs
index bd86039..22c5ee6 100644
--- a/src/WinSW.Core/Configuration/XmlServiceConfig.cs
+++ b/src/WinSW.Core/Configuration/XmlServiceConfig.cs
@@ -241,7 +241,7 @@ namespace WinSW
                 List<string> result = new List<string>(extensions.Count);
                 for (int i = 0; i < extensions.Count; i++)
                 {
-                    result.Add(XmlHelper.SingleAttribute<string>((XmlElement)extensions[i], "id"));
+                    result.Add(XmlHelper.SingleAttribute<string>((XmlElement)extensions[i]!, "id"));
                 }
 
                 return result;
@@ -264,12 +264,12 @@ namespace WinSW
 
             StringBuilder arguments = new StringBuilder();
 
-            XmlNodeList argumentNodeList = this.dom.SelectNodes("//" + tagName);
+            XmlNodeList argumentNodeList = this.dom.SelectNodes("//" + tagName)!;
             for (int i = 0; i < argumentNodeList.Count; i++)
             {
                 arguments.Append(' ');
 
-                string token = Environment.ExpandEnvironmentVariables(argumentNodeList[i].InnerText);
+                string token = Environment.ExpandEnvironmentVariables(argumentNodeList[i]!.InnerText);
 
                 if (token.StartsWith("\"") && token.EndsWith("\""))
                 {
@@ -471,7 +471,7 @@ namespace WinSW
                 string[] serviceDependencies = new string[nodeList.Count];
                 for (int i = 0; i < nodeList.Count; i++)
                 {
-                    serviceDependencies[i] = nodeList[i].InnerText;
+                    serviceDependencies[i] = nodeList[i]!.InnerText;
                 }
 
                 return serviceDependencies;
@@ -588,8 +588,8 @@ namespace WinSW
                 SC_ACTION[] result = new SC_ACTION[childNodes.Count];
                 for (int i = 0; i < childNodes.Count; i++)
                 {
-                    XmlNode node = childNodes[i];
-                    string action = node.Attributes["action"].Value;
+                    XmlNode node = childNodes[i]!;
+                    string action = node.Attributes!["action"]?.Value ?? throw new InvalidDataException("'action' is missing");
                     SC_ACTION_TYPE type = action switch
                     {
                         "restart" => SC_ACTION_TYPE.SC_ACTION_RESTART,
@@ -682,13 +682,13 @@ namespace WinSW
 
         private Dictionary<string, string> LoadEnvironmentVariables()
         {
-            XmlNodeList nodeList = this.dom.SelectNodes("//env");
+            XmlNodeList nodeList = this.dom.SelectNodes("//env")!;
             Dictionary<string, string> environment = new Dictionary<string, string>(nodeList.Count);
             for (int i = 0; i < nodeList.Count; i++)
             {
-                XmlNode node = nodeList[i];
-                string key = node.Attributes["name"].Value;
-                string value = Environment.ExpandEnvironmentVariables(node.Attributes["value"].Value);
+                XmlNode node = nodeList[i]!;
+                string key = node.Attributes!["name"]?.Value ?? throw new InvalidDataException("'name' is missing");
+                string value = Environment.ExpandEnvironmentVariables(node.Attributes["value"]?.Value ?? throw new InvalidDataException("'value' is missing"));
                 environment[key] = value;
 
                 Environment.SetEnvironmentVariable(key, value);
diff --git a/src/WinSW.Core/Extensions/WinSWExtensionManager.cs b/src/WinSW.Core/Extensions/WinSWExtensionManager.cs
index b49768b..b34e3bc 100644
--- a/src/WinSW.Core/Extensions/WinSWExtensionManager.cs
+++ b/src/WinSW.Core/Extensions/WinSWExtensionManager.cs
@@ -63,7 +63,7 @@ namespace WinSW.Extensions
                 catch (ExtensionException ex)
                 {
                     Log.Fatal("onWrapperStarted() handler failed for " + ext.Value.DisplayName, ex);
-                    throw ex; // Propagate error to stop the startup
+                    throw; // Propagate error to stop the startup
                 }
             }
         }
diff --git a/src/WinSW.Core/WinSW.Core.csproj b/src/WinSW.Core/WinSW.Core.csproj
index 50959be..846a74c 100644
--- a/src/WinSW.Core/WinSW.Core.csproj
+++ b/src/WinSW.Core/WinSW.Core.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net461;net5.0</TargetFrameworks>
+    <TargetFrameworks>net461;net5.0-windows</TargetFrameworks>
     <LangVersion>preview</LangVersion>
     <Nullable>enable</Nullable>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
@@ -15,14 +15,14 @@
     </PackageReference>
   </ItemGroup>
 
-  <ItemGroup Condition="'$(TargetFramework)' == 'net5.0'">
+  <ItemGroup Condition="'$(TargetFramework)' == 'net5.0-windows'">
     <PackageReference Include="Microsoft.Win32.Registry" Version="4.7.0" />
     <PackageReference Include="System.Diagnostics.EventLog" Version="4.7.0" />
     <PackageReference Include="System.Security.AccessControl" Version="4.7.0" />
   </ItemGroup>
 
   <!-- error NU1605: Detected package downgrade: log4net 2.0.8 -->
-  <ItemGroup Condition="'$(TargetFramework)' == 'net5.0'">
+  <ItemGroup Condition="'$(TargetFramework)' == 'net5.0-windows'">
     <PackageReference Include="System.Diagnostics.Debug" Version="4.3.0" />
     <PackageReference Include="System.IO.FileSystem" Version="4.3.0" />
     <PackageReference Include="System.Net.NameResolution" Version="4.3.0" />
@@ -32,7 +32,7 @@
     <PackageReference Include="System.Threading" Version="4.3.0" />
   </ItemGroup>
 
-  <ItemGroup Condition="'$(TargetFramework)' != 'net5.0'">
+  <ItemGroup Condition="'$(TargetFramework)' != 'net5.0-windows'">
     <PackageReference Include="System.Memory" Version="4.5.4" />
     <PackageReference Include="System.ValueTuple" Version="4.5.0" />
     <Reference Include="System.ServiceProcess" />
diff --git a/src/WinSW.Plugins/WinSW.Plugins.csproj b/src/WinSW.Plugins/WinSW.Plugins.csproj
index 495b320..9dde121 100644
--- a/src/WinSW.Plugins/WinSW.Plugins.csproj
+++ b/src/WinSW.Plugins/WinSW.Plugins.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net461;net5.0</TargetFrameworks>
+    <TargetFrameworks>net461;net5.0-windows</TargetFrameworks>
     <LangVersion>latest</LangVersion>
     <Nullable>enable</Nullable>
   </PropertyGroup>
diff --git a/src/WinSW.Tests/Util/InterProcessCodeCoverageSession.cs b/src/WinSW.Tests/Util/InterProcessCodeCoverageSession.cs
index 0e01ece..7896137 100644
--- a/src/WinSW.Tests/Util/InterProcessCodeCoverageSession.cs
+++ b/src/WinSW.Tests/Util/InterProcessCodeCoverageSession.cs
@@ -48,8 +48,10 @@ namespace WinSW.Tests.Util
             hr = client.SetEventCallbacks(this);
             AssertEx.Succeeded(hr);
 
+#pragma warning disable CA1416 // Validate platform compatibility
             IntPtr pointer = Marshal.GetIUnknownForObject(client);
             Assert.Equal(1, Marshal.Release(pointer));
+#pragma warning restore CA1416 // Validate platform compatibility
 
             target = DataTarget.CreateFromDbgEng(pointer);
 
diff --git a/src/WinSW.Tests/WinSW.Tests.csproj b/src/WinSW.Tests/WinSW.Tests.csproj
index 3ec54ec..443cfd0 100644
--- a/src/WinSW.Tests/WinSW.Tests.csproj
+++ b/src/WinSW.Tests/WinSW.Tests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net471;net5.0</TargetFrameworks>
+    <TargetFrameworks>net471;net5.0-windows</TargetFrameworks>
     <LangVersion>latest</LangVersion>
   </PropertyGroup>
 
@@ -20,7 +20,7 @@
     </PackageReference>
   </ItemGroup>
 
-  <ItemGroup Condition="'$(TargetFramework)' != 'net5.0'">
+  <ItemGroup Condition="'$(TargetFramework)' != 'net5.0-windows'">
     <PackageReference Include="System.Reflection.Metadata" Version="1.8.1" />
     <Reference Include="System.ServiceProcess" />
   </ItemGroup>
@@ -39,11 +39,11 @@
 
   <Target Name="Copy" BeforeTargets="AfterBuild">
 
-    <ItemGroup Condition="'$(TargetFramework)' == 'net5.0'">
-      <_FilesToCopy Include="$(ArtifactsBinDir)WinSW\$(Configuration)\net5.0\WinSW.runtimeconfig*.json" />
+    <ItemGroup Condition="'$(TargetFramework)' == 'net5.0-windows'">
+      <_FilesToCopy Include="$(ArtifactsBinDir)WinSW\$(Configuration)\net5.0-windows\WinSW.runtimeconfig*.json" />
     </ItemGroup>
 
-    <ItemGroup Condition="'$(TargetFramework)' != 'net5.0'">
+    <ItemGroup Condition="'$(TargetFramework)' != 'net5.0-windows'">
       <_FilesToCopy Include="$(ArtifactsBinDir)WinSW\$(Configuration)\net461\System.ValueTuple.dll" />
     </ItemGroup>
 
diff --git a/src/WinSW/WinSW.csproj b/src/WinSW/WinSW.csproj
index 0ff7ba0..f97b10f 100644
--- a/src/WinSW/WinSW.csproj
+++ b/src/WinSW/WinSW.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFrameworks>net461;net5.0</TargetFrameworks>
+    <TargetFrameworks>net461;net5.0-windows</TargetFrameworks>
     <LangVersion>preview</LangVersion>
     <Nullable>enable</Nullable>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
@@ -16,11 +16,11 @@
     <Copyright>Copyright (c) 2008-2020 Kohsuke Kawaguchi, Sun Microsystems, Inc., CloudBees, Inc., Oleg Nenashev and other contributors</Copyright>
   </PropertyGroup>
 
-  <PropertyGroup Condition="'$(TargetFramework)' == 'net5.0' AND '$(RuntimeIdentifier)' != ''">
+  <PropertyGroup Condition="'$(TargetFramework)' == 'net5.0-windows' AND '$(RuntimeIdentifier)' != ''">
     <PublishSingleFile>true</PublishSingleFile>
   </PropertyGroup>
 
-  <PropertyGroup Condition="'$(TargetFramework)' != 'net5.0'">
+  <PropertyGroup Condition="'$(TargetFramework)' != 'net5.0-windows'">
     <ILMergeVersion>3.0.41</ILMergeVersion>
   </PropertyGroup>
 
@@ -28,11 +28,11 @@
     <PackageReference Include="System.CommandLine" Version="2.0.0-beta1.20303.1" />
   </ItemGroup>
 
-  <ItemGroup Condition="'$(TargetFramework)' == 'net5.0'">
+  <ItemGroup Condition="'$(TargetFramework)' == 'net5.0-windows'">
     <PackageReference Include="System.ServiceProcess.ServiceController" Version="4.7.0" />
   </ItemGroup>
 
-  <ItemGroup Condition="'$(TargetFramework)' != 'net5.0'">
+  <ItemGroup Condition="'$(TargetFramework)' != 'net5.0-windows'">
     <PackageReference Include="ilmerge" Version="$(ILMergeVersion)" />
     <Reference Include="System.ServiceProcess" />
   </ItemGroup>
@@ -42,20 +42,20 @@
     <ProjectReference Include="..\WinSW.Plugins\WinSW.Plugins.csproj" />
   </ItemGroup>
 
-  <ItemGroup Condition="'$(TargetFramework)' != 'net5.0'">
+  <ItemGroup Condition="'$(TargetFramework)' != 'net5.0-windows'">
     <ProjectReference Include="..\WinSW.Tasks\WinSW.Tasks.csproj">
       <ReferenceOutputAssembly>false</ReferenceOutputAssembly>
     </ProjectReference>
   </ItemGroup>
 
-  <Target Name="PublishCoreZip" AfterTargets="Publish" Condition="'$(TargetFramework)' == 'net5.0' and '$(IncludeNativeLibrariesInSingleFile)' != 'true'">
+  <Target Name="PublishCoreZip" AfterTargets="Publish" Condition="'$(TargetFramework)' == 'net5.0-windows' and '$(IncludeNativeLibrariesInSingleFile)' != 'true'">
 
     <MakeDir Directories="$(ArtifactsPublishDir)" />
     <ZipDirectory SourceDirectory="$(PublishDir)" DestinationFile="$(ArtifactsPublishDir)WinSW.NETCore.$(PlatformTarget).zip" Overwrite="true" />
 
   </Target>
 
-  <Target Name="PublishCoreExe" AfterTargets="Publish" Condition="'$(TargetFramework)' == 'net5.0' and '$(IncludeNativeLibrariesInSingleFile)' == 'true'">
+  <Target Name="PublishCoreExe" AfterTargets="Publish" Condition="'$(TargetFramework)' == 'net5.0-windows' and '$(IncludeNativeLibrariesInSingleFile)' == 'true'">
 
     <MakeDir Directories="$(ArtifactsPublishDir)" />
     <Copy SourceFiles="$(PublishDir)$(TargetName).exe" DestinationFiles="$(ArtifactsPublishDir)WinSW.NETCore.$(PlatformTarget).exe" />
@@ -63,7 +63,7 @@
   </Target>
 
   <!-- Merge plugins and other DLLs into the executable -->
-  <Target Name="Merge" BeforeTargets="AfterBuild" Condition="'$(TargetFramework)' != 'net5.0'">
+  <Target Name="Merge" BeforeTargets="AfterBuild" Condition="'$(TargetFramework)' != 'net5.0-windows'">
 
     <PropertyGroup Condition="'$(TargetFramework)' == 'net461'">
       <TargetFrameworkSuffix>NET461</TargetFrameworkSuffix>
@@ -95,7 +95,7 @@
   </Target>
 
   <UsingTask TaskName="WinSW.Tasks.Trim" AssemblyFile="$(ArtifactsBinDir)WinSW.Tasks\$(Configuration)\net461\WinSW.Tasks.dll" />
-  <Target Name="Trim" AfterTargets="Merge" Condition="'$(TargetFramework)' != 'net5.0'">
+  <Target Name="Trim" AfterTargets="Merge" Condition="'$(TargetFramework)' != 'net5.0-windows'">
     <Trim Path="$(ArtifactsPublishDir)WinSW.$(TargetFrameworkSuffix).exe" />
   </Target>