
How to Restart Windows Defender Threat Service
If Windows Defender shows a warning like "Threat service has stopped" or "Virus & threat protecti...
Software troubleshooting desk

If Windows Defender shows a warning like "Threat service has stopped" or "Virus & threat protecti...

When Windows Search isn't working right—missing files, slow results, or high CPU usage—the log fi...

If Windows Security (formerly Windows Defender) is not scanning for viruses, you may see an error...

You open Task Manager and see Command Prompt (cmd.exe) consuming a large percentage of CPU or a l...

After installing updates and restarting, Windows may crash, freeze, or loop on the login screen. ...

You open Windows Security and see a yellow warning: “Threat service has stopped. Restart it now.”...