safe file


Microsoft Performance Diagnostics

Check your PC for diagperf.dll related issues!

diagperf.dll. What is it?

The diagperf.dll is a Microsoft Performance Diagnostics.

This file is part of Microsoft® Windows® Operating System. Diagperf.dll is developed by Microsoft Corporation. It’s a system and hidden file. Diagperf.dll is usually located in the %SYSTEM% folder and its usual size is 863,744 bytes.


The diagperf.dll process is safe and disabling it can be dangerous, because programs on your computer need it to work correctly.

We also recommend optimizing your computer.

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General Information

Security risk: Free spyware & virus scanRegistry Errors: Free scan (run Registry Cleaner)Uninstallation: N/A Uninstall (run Unistall Manager)Disk & Memory Usage: N/A Free scan (run Task Manager)


Author: Microsoft CorporationProcess: Microsoft Performance DiagnosticsPart Of: Microsoft® Windows® Operating SystemCommon path(s): %SYSTEM%
subfolder in %WINDOWS%
Keywords(s): systemFilesize(s): 863,744 bytes, 1,078,272 bytes, 1,076,224 bytes, 1,078,784 bytes

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