Forum Discussion
Windows 11: Antivirus causes high CPU usage
My antivirus software is causing persistently high CPU usage, often peaking at 100% and slowing down my entire system even during idle periods. This performance hit occurs during both scheduled scans...
And the antivirus is: Windows Security or third-party AV?
If it's third-party, better uninstalling it and switching to Windows Security.
If its Windows Security, try to reset it.