Try workaround for System.Drawing.Common from GitHub

Author: Deadpikle

src/NetSparkle.UI.WPF/NetSparkle.UI.WPF.csproj

@@ -70,4 +70,11 @@
     <None Include="..\..\README.md" Pack="true" PackagePath="\" />
     <None Include="..\NetSparkle\ArtWork\software-update-available.png" Pack="true" PackagePath="\" />
   </ItemGroup>
+   <Target Name="_addDrawingReference" AfterTargets="ResolveTargetingPackAssets">
+    <ItemGroup>
+      <Reference Condition="'%(Reference.FileName)' == 'PresentationCore'" 
+                 Include="%(Reference.RootDir)%(Reference.Directory)System.Drawing.Common.dll;
+                          %(Reference.RootDir)%(Reference.Directory)System.Private.Windows.GdiPlus.dll" />
+    </ItemGroup>
+  </Target>
 </Project>