
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...

After a recent Windows or Office update, you may see an SSL certificate error in OneDrive. The er...

If you’ve reset your PC or just reinstalled Windows and now Microsoft Teams won’t load—spinning i...

After a Windows update, the Microsoft Store may fail to open—clicking the icon does nothing, or i...

You're browsing in Chrome on Windows 11 when the browser suddenly closes or freezes, often showin...

You run a malware scan in Windows Security (formerly Windows Defender) and notice your CPU fan ra...