
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...

You open Windows Search and nothing happens, or sync keeps failing. Often the culprit is a depend...

After a Windows update, you might find the search bar stops working, returns no results, or shows...

You see a spinning circle or a stuck status on OneDrive files. Files aren't uploading or download...

You're trying to open Teams, and it's been stuck on "Downloading update..." for ten minutes. The ...

If PowerShell commands behave oddly—showing old results, failing to load updated modules, or igno...