
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...

If you see an error like “Token expired” or “Authentication failed” in Outlook ...

If you see an "Access Denied" error when trying to search files or rebuild the search index in Wi...

If Windows 11 doesn't automatically activate after a hardware change or update, or if the activat...

If Chrome is using excessive CPU, a corrupted or bloated profile cache is a common culprit. This ...

You open Windows Security and see a message that the service isn't running. The shield icon in th...