Recently users have reported that their system performance was getting too low due to changes made recently and upon opening their Task Manager they saw that Perfmon.exe was using a lot of GPU almost above 90%. 

What Is Perfmon.exe?

Perfmon.exe (Windows Performance Monitor) plays a major part in Windows OS. It's responsible for monitoring various performances , and other system services.

Perform a System File Check

Solution 1

1. Search “Command Prompt” in the Startup menu, then choose Run as administrator. 2. Type “sfc /scannow” and wait for 20 minutes for it to solve.

Scan For Virus and Threats 

Solution 2

1. Click on the Search icon 2. Select Settings. 3. Now click on Privacy & security > Windows Security

4. Select Virus & threat protection and click on Quick scan. 5. Wait for the scan to finish and then restart your PC to see Perfmon.exe in Windows 11 is fixed.

More steps and   Detailed Solution  on our Article