
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 Task Manager and see Microsoft Teams using 800 MB or more of RAM. Over time, it can clim...

You open Windows Security and see a yellow warning: "Your IT administrator has limited access to ...

You’ve set COMPOSER_MEMORY_LIMIT=1024M or added memory_limit=1024M to <...

If your scheduled tasks aren't running in Windows 10, the problem is often one of a few common ca...

If you're stuck in a login loop after a Windows update or Defender configuration change, the issu...