
Windows Defender 502 Bad Gateway: Troubleshooting Checklist
If you see a 502 Bad Gateway error when opening Windows Security or trying to update Windows Defe...
Software troubleshooting desk

If you see a 502 Bad Gateway error when opening Windows Security or trying to update Windows Defe...

You try to install or update an app from the Microsoft Store, but you get a ‘Permission Denied’ e...

You changed your account password, and now Outlook keeps prompting for credentials or shows 'auth...

If Outlook on your iPhone stops receiving new emails while your PC continues to work fine, the is...

You open Firefox after a profile switch or reinstall and your bookmarks, passwords, or open tabs ...

If you're running Windows in a virtual machine or dual-boot with Ubuntu and activation fails, the...