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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 minutes the files are unlocked and I can build but the 5 minute delay is unacceptable.
These are the files that stay locked:
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@Dmitry The job of the csc.exe in /bin/Roslyn is to invoke the VBCSCompiler.exe , which sits in the same folder. VBCSCompiler.exe is the process that does the actual compilation work. If the VBCSCompiler is already running csc.exe will reuse it and thus we will still gain the mentioned performance improvement.
NET Compiler Platform, also known by its nickname Roslyn, is a set of open-source compilers and code analysis APIs for C# and Visual Basic languages from Microsoft. Deleting this cache folder will not affect Visual Studio, but it may affect the loading speed of . NET Compiler Platform (Roslyn) Analyzers.
Just open task manager and kill any instances of VBCSCompiler.exe. You don't even need to close Visual Studio.
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UPDATE the Microsoft.CodeDom.Providers.DotNetCompilerPlatform package to V1.0.7
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