
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....
Software troubleshooting desk

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

When Outlook crashes, refuses to open, or shows errors like “Cannot start Microsoft Outlook” or “...

If Chrome shows DNS errors like "DNS_PROBE_FINISHED_NXDOMAIN" or "ERR_NAME_NOT_RESOLVED" for one ...

You update Windows, try to connect via Remote Desktop, and find your settings—like display resolu...

If Windows Terminal opens but PowerShell doesn't load—showing a blank window, an error, or closin...

You see the error "Windows Security service failed to start" with code 0x80070422. This usually m...