
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...

You download the Windows Security offline installer (the .cab or .psf file) to update Defender de...

You open Microsoft Teams on Windows 10, but instead of connecting, you see a 'connection refused'...

If the Microsoft Store isn't loading, won't download apps, or throws errors like 0x80131500, a se...

You try to open a folder on Windows, and you see 'You have been denied permission to access this ...

When Outlook search stops returning results or returns incomplete results, it's usually due to in...