Visual Studio 2017 bin\roslyn files locked during build

Question

I am running VS2017 version 26430.13 and every time I try to build a web project I get errors that access to the files in the bin\\roslyn is denied. Over a period of about 5 mi

Answer 1

UPDATE the Microsoft.CodeDom.Providers.DotNetCompilerPlatform package to V1.0.7

• Find Microsoft.CodeDom.Providers.DotNetCompilerPlatform from NuGet Uninstall Old version
  Install V1.0.7 or latest