
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 try to open the Windows Security app and get error code 0x80073b01. The app may crash or refu...

You're trying to sync a file in OneDrive, but you get an error saying the file is locked. This us...

You're using Windows Terminal and suddenly see a 502 Bad Gateway error when tryi...

You see a 'permission denied' message when trying to start or interact with the Windows Defender ...

When you try to start Remote Desktop and get an error that the port is already in use, something ...