
Windows Defender Cannot Connect: Troubleshooting Checklist
You open Windows Security and see a message like "Windows Defender cannot connect" or "Check your...
Software troubleshooting desk

You open Windows Security and see a message like "Windows Defender cannot connect" or "Check your...

You start a Windows Security scan, and it sits at the same percentage for minutes—or even hours. ...

When you launch Chrome and see a blank screen, the browser may be open but nothing renders—no too...

You plug in a BitLocker To Go encrypted USB drive, but Windows doesn't show it in File Explorer. ...

If Windows Defender fails to start or shows error messages like "Service configuration is corrupt...

When installing or updating apps from the Microsoft Store, error code 0x80073cf3 typically appear...