
How to Configure Windows Defender Firewall Settings for a Network
If you're having trouble with network connectivity or need to allow an app through the firewall, ...
Software troubleshooting desk

If you're having trouble with network connectivity or need to allow an app through the firewall, ...

When you open Outlook and see only a blank screen—no folders, no email list, just gray or white—i...

If you see a message like 'OneDrive is temporarily limited' or 'Sync paused due to high activity,...

You open OneDrive and see "Processing changes" for minutes or hours. Files don't sync, and you ca...

You might see an error saying Windows Defender has a version mismatch, or the app won't open beca...

When a scheduled task runs under a service account and fails with a 'connection refused' error, i...