
Windows Security DNS Error Troubleshooting Checklist
If you see a DNS error in Windows Security—like 'DNS resolution failed' or 'We can't connect to t...
Software troubleshooting desk

If you see a DNS error in Windows Security—like 'DNS resolution failed' or 'We can't connect to t...

When installing or updating apps from the Microsoft Store, you may see errors like 'File locked' ...

If you see an error code when Microsoft Teams loads, or the app gets stuck on the loading screen,...

If you see a 'Checksum error' or 'CRC failed' message when extracting a RAR or ZIP file in WinRAR...

If you're seeing a 502 Bad Gateway error in Chrome, and other browsers work fine...

You try to activate Windows and see error 0xc004f074. This usually means the activation server co...