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Services Regedit CMD Msconfig
How to Start/Stop Microsoft.NET Framework NGEN v2.0.50727_X86 Service name: clr_optimization_v2.0.50727_32 Display name: Microsoft.NET Framework NGEN v2.0.50727_X86  Description: Microsoft .NET Framework NGEN.  Path to executable: C:\Windows\Microsoft.NET\Framework\v2.0.50727\mscorsvw.exe Type msconfig and press Enter In System Configuration please go to Services tab and locate Microsoft.NET Framework NGEN v2.0.50727_X86 service  Uncheck the box to prevent this service to start and then press OK to finish Any change make in System Configuration will be apply after restart
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