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

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

You open Outlook and see an error: "Cannot connect to server" or "Disconnected"...

You try to sign in to OneDrive, but it fails with a network error. Often, a firewall—on your comp...

When OneDrive shows 'Waiting to connect' and sync stalls, it usually means the client can't reach...

You're trying to send or receive email in Outlook, but you get an error about the SSL certificate...

When you open Microsoft Store on Windows 11 and see an error like "SSL certificate error" or "A p...