How to fix “Root element is missing.” when doing a Visual Studio (VS) Build?

Question

How to fix \"Root element is missing.\" when doing a Visual Studio (VS) Build?

Any idea what file I should look at in my solution?

Actually, I am getting thi

Answer 1

I had a few massive VS2015 Community crashes.

Delete all the .csproj.user files

which were full of null characters, and also these

C:\Users\UserName\AppData\Local\Temp\

.NETFramework,Version=v4.0.AssemblyAttributes.cs .NETFramework,Version=v4.5.AssemblyAttributes.cs .NETFramework,Version=v4.5.2.AssemblyAttributes.cs