
How to Fix Windows Defender Not Turning On
Windows Defender (now called Microsoft Defender Antivirus) sometimes refuses to turn on or stay o...
Software troubleshooting desk

Windows Defender (now called Microsoft Defender Antivirus) sometimes refuses to turn on or stay o...

After updating your system's PATH environment variable, you might open Command Prompt or PowerShe...

If you're stuck in a login loop—where Windows logs you out immediately after signing in—you can o...

You open Task Manager and see Windows Defender (Microsoft Defender Antivirus) using 500 MB or mor...

If Windows Security (formerly Windows Defender) isn't starting automatically when you boot your P...

If your system’s Task Scheduler service (svchost.exe) is using 20-50% CPU or more, you’re not alo...