
Fix PowerShell Port Already Allocated Error with Firewall
When you see a 'port already allocated' error in PowerShell while trying to set up a listener or ...
Software troubleshooting desk

When you see a 'port already allocated' error in PowerShell while trying to set up a listener or ...

If you've tried clearing the Microsoft Teams cache through the app's settings or by deleting the ...

You try to open a folder in Outlook—Inbox, Sent Items, or a custom folder—and get an “Access Deni...

You sign in, see "Preparing Windows" or a spinning circle, then get dumped back to the login scre...

You're using Outlook and suddenly it asks for your password repeatedly, or shows an error like 'Y...

You try to activate Windows and get error 504. This often means your firewall is blocking communi...