
Fix High CPU Usage by MsMpEng.exe (Windows Defender)
If your system feels sluggish and Task Manager shows MsMpEng.exe using 30–100% CPU, Windows Defen...
Software troubleshooting desk

If your system feels sluggish and Task Manager shows MsMpEng.exe using 30–100% CPU, Windows Defen...

When you see "Authentication failed" with error code 0x80070424 in Microsoft Store, it usually me...

If you see a connection timeout error when running a scheduled task, it usually means the task ca...

You see error 0x80070643 when trying to install a Windows update, and the setup fails partway thr...

When you see a 502 Bad Gateway error in the Microsoft Store, it usually means the server that con...

If you're troubleshooting a stubborn app or driver issue, Windows Security (formerly Defender) mi...