finally mutex.ReleaseMutex();

Code 6 is often returned when the WaitOne() method on a Mutex object fails – either because the mutex is abandoned, the timeout expires, or the calling thread does not have the required access rights.

taskkill /f /im msbuild.exe taskkill /f /im VBCSCompiler.exe

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Waitmutex Frommsbuild Exited With Code 6 Jun 2026

finally mutex.ReleaseMutex();

Code 6 is often returned when the WaitOne() method on a Mutex object fails – either because the mutex is abandoned, the timeout expires, or the calling thread does not have the required access rights.

taskkill /f /im msbuild.exe taskkill /f /im VBCSCompiler.exe

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