
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...

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

You open Windows Security and see a message like 'DNS server not responding' or 'Your device is m...

You might see sync errors like 'dependency service or group failed to start' or 'Windows Security...

You open Outlook and see an error about a dependency conflict—maybe a missing DLL or a version mi...

You’ve set up a virtual background in Microsoft Teams, but your camera stops working or shows a b...

You open Windows Terminal, try to run a command or edit a config file, and get an error like