Perfmon.exe
The following is detailed information about perfmon.exe.
If you want to know other executable files, then you might visit theMiniToolwebsite.
This is necessary to know to distinguish a virus attack hiding under this name from the real one.

The perfmon.exe file should be located in the folder C:\Windows\ServicePackFiles\i386 or C:\Windows\System32.
Otherwise, it could be a Trojan.
Applications may fail to transfer data between necessary files when there are conflicts on configuration files.
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When a file or directory is abused or damaged, the entire utility may fail to load.
If so, simply removing new hardware or software will fix the issue.
Then, I will introduce how to fix issues with perfmon.exe.
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Download new, secure drivers and perform a clean system restart.
Step 2: ChooseSearch automatically for updated driver software.
Step 4: Reboot your setup and then see if the error is gone.
Step 1:Press theWin+Ikeys at the same time to openSettingsand then chooseUpdate & Security.
Step 2:ClickWindows Updateand then clickCheck for updateson the right side of the screen.
Step 3:If there are updates available, Windows will start to download them automatically.
Then start your box to perform the installation process.
If not, try the next methods.
Troubled by the issue Windows Updates cannot currently check for updates?
This post shows 4 solutions to fix Windows update failed problem.
Use Antivirus and Antimalware Applications
Most virus scanners will protect your machine from basic threats.
To increase your protection, use a malware scanner as well.
Malwarebytes vs Avast, which one is better for you?
This post shows some differences between Avast and Malwarebytes.
These methods can assist in identifying if any additional third-party software is causing your issues as well.