
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....

If you see a 'Your connection is not private' warning or similar SSL errors in Chrome on Windows ...

You may see an error like "Windows Defender Firewall cannot use port X because it is already allo...

If you see an “invalid configuration” error in Microsoft Teams, the app usually fails to sign in ...

After a Windows update, you might see an error like “Search is not working” or “Invalid configura...

If you're working with APIs that use OAuth 2.0, you've likely encountered an expired access token...