
How to Allow an App Through Windows Defender Firewall
If an app can't connect to the internet or network, Windows Defender Firewall may be blocking it....

If an app can't connect to the internet or network, Windows Defender Firewall may be blocking it....

If Outlook is showing stale data, failing to sync, or running slowly, the offline data file cache...

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

You're installing or updating Visual Studio, and the installer gets stuck on "Finalizing installa...

If you open Command Prompt and see only a blank screen—no prompt, no cursor, just an empty window...

If you see error 0x800f081f while running the Windows Update Cleanup Tool (part of Disk Cleanup),...