.NET Runtime Optimization Service

mscorsvw.exe. What is it?

The mscorsvw.exe is a .NET Runtime Optimization Service. Sometimes it’s called Microsoft Common Language Runtime Service Host.

This file is part of Microsoft® .NET Framework. Mscorsvw.exe is developed by Microsoft Corporation. It’s a system and hidden file. Mscorsvw.exe is usually located in the %WINDOWS% sub-folder and its usual size is 56,320 bytes.


Mscorsvw.exe creates new records and folders in the Windows registry. Check your system performance to eliminate possible application conflicts and system failures. Free scan for PC issues (Special offer. See more information about Outbyte, uninstall instructions, EULA and Privacy Policy)


Author: Microsoft CorporationProcess: .NET Runtime Optimization ServicePart Of: Microsoft® .NET FrameworkCommon path(s): subfolder in %WINDOWS%Keywords(s): system, hiddenFilesize(s): 56,320 bytes, 54,272 bytes, 69,632 bytes, 70,144 bytes, 68,952 bytes, 66,384 bytes, 130,384 bytes, 104,872 bytes, 66,368 bytes, 59,392 bytes


Malware risk: Scan your PC for viruses and Trojans
Some viruses infect computers while disguised in the form of legitimate files, like mscorsvw.exe. Run an antivirus scan to ensure your PC is clean and safe.
Registry Errors: Free scan (run Registry Cleaner)Uninstallation: N/A Uninstall (run Unistall Manager)Disk & Memory Usage: N/A Free scan (run Task Manager)

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