
Windows Security Version Mismatch: Troubleshooting Checklist
If you see an error message saying Windows Security has a version mismatch, or the Security Cente...
Software troubleshooting desk

If you see an error message saying Windows Security has a version mismatch, or the Security Cente...

After a recent Windows update, you might notice that Windows Security (formerly Windows Defender)...

When Windows Update fails with a "connection refused" or "server refused connection" error, it us...

If you run Outlook alongside another email client like Thunderbird, eM Client, or Mailbird, you m...

If Windows Search stops returning results, takes forever to find files, or shows no results at al...

If Windows Search suddenly stops working and you see a 'connection refused' error when trying to ...