
Fix 'Port Already in Use' Error with Windows Defender Firewall
You try to start a local service or application, and it fails with an error like 'port already in...

You try to start a local service or application, and it fails with an error like 'port already in...

You're editing code in VSCode when the extension host crashes and shows 'Extension host terminate...

You open Outlook and see "Working Offline" in the status bar, even though your internet is fine. ...

You open the Microsoft Store and see an SSL certificate error—something like "A problem with your...

You might need to stop Windows Search if it's holding port 10243 or another port you need for dev...

You click "Allow" for notifications in Chrome, but the site says "permission denied" or the notif...