TL;DR Visual Studio isn’t entirely consistent about how it assigns GUIDs to projects or how it specifies those GUIDs in project references. I was able to resolve the problem by using upper case GUIDs with braces for ProjectGuid elements and lower case with braces for Project elements (in references). Background We have a large solution … Read more
Update 2021 FxCopAnalyzers have been deprecated, and it is now recommended to use the more limited Microsoft.CodeAnalysis.NetAnalyzers package. See https://github.com/dotnet/roslyn-analyzers and https://learn.microsoft.com/en-us/visualstudio/code-quality/migrate-from-fxcop-analyzers-to-net-analyzers?view=vs-2019 for more details. Update Apparently the right way to do this is to install the Microsoft.CodeAnalysis.FxCopAnalyzers NuGet package. This works great, even on ASP.NET Core projects, and doesn’t require the <RunCodeAnalysis> flag at … Read more
In Visual Studio 2022, I’ve resolved it by disabling these two checks: after that, Visual Studio works well.