
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 ...

OneDrive error 0x8007016a usually appears when you try to sync or open a file that is stored in t...

You run ipconfig /flushdns or arp -d in Command Prompt, but cached entr...

You try to install a Windows update, but it fails with error 0x800f0922 and your system slows to ...

If you've just installed Chrome or are experiencing odd behavior like slow loading, missing bookm...

If Windows Search isn't finding files or is running slowly, the built-in configuration tools can ...