
Windows Defender Service Troubleshooting Checklist
If Windows Defender won't start, won't update, or shows error messages like "Service stopped" or ...
Software troubleshooting desk

If Windows Defender won't start, won't update, or shows error messages like "Service stopped" or ...

You updated Windows, and now your System Restore points are gone. This is a known issue after maj...

You start a service or application in Windows Terminal and see an error like "port already in use...

If you installed Ubuntu alongside Windows and now see an activation warning, you're not alone. Wi...

After replacing a motherboard, you may see a "BitLocker permission denied" error when trying to a...

If you're moving from Windows to Mac and miss the instant file search you had with Windows Search...