
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 Windows Security (formerly Windows Defender) feels sluggish or unresponsive after a recent upd...

If you use Windows Terminal on multiple computers, you've likely noticed that each machine keeps ...

You open Task Manager and see Windows Terminal using 20–40% CPU even when idle. This usually poin...

You're using Outlook and suddenly it asks for your password repeatedly, or shows an error like 'Y...

You try to sign into a site in Chrome, and you get an error like "Profile authentication failed" ...