
Reset Windows Defender Service to Default Settings
If Windows Defender isn't starting, showing errors, or acting strangely, the service settings may...
Software troubleshooting desk

If Windows Defender isn't starting, showing errors, or acting strangely, the service settings may...

If you recently changed networks (e.g., moved from home to office, switched ISPs, or changed rout...

You set up a Cloudflare Tunnel (formerly Argo Tunnel) and now you're seeing connection timeouts. ...

If you've noticed that Windows Security isn't updating or connecting to the cloud for threat defi...

You connect to a remote PC via Remote Desktop (RDP) and see only a black screen. The cursor moves...

If you run Outlook alongside another email client like Thunderbird, eM Client, or Mailbird, you m...