
Enable Windows Security Manually When It Fails to Start
If Windows Security (formerly Windows Defender) fails to start, you may see an error like "This a...
Software troubleshooting desk

If Windows Security (formerly Windows Defender) fails to start, you may see an error like "This a...

If Chrome is acting up—slow, crashing, or extensions misbehaving—you might need a fresh profile. ...

If you notice your system slowing down and Task Manager shows Windows Security (or Antimalware Se...

After running a Windows Defender Offline scan, you may want to review which threats were detected...

You open Outlook and see the message: "Outlook service unavailable. Cannot start Microsoft Outloo...

After a Windows update, you might see a yellow warning or red banner in Windows Security saying s...