
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...

If you see errors like "The security log is corrupted" or Event ID 1104 in the System log, Window...

When you see Microsoft Store error 0x80070424, the app usually fails to open or download anything...

You're trying to open a BitLocker-encrypted drive or file, but you've forgotten the password. It'...

If Microsoft Teams feels sluggish on your Windows 10 PC — messages lag, calls stutter, or the app...

You may see a notification that Windows Search indexing couldn't start due to an authentication f...