
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...
Software troubleshooting desk

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

When you type commands like wsreset, wsdl, or microsoft-store:

You try to send or receive email in Outlook and see an error: "Proxy authentication failed"

You want a program to launch automatically every time Windows starts. While the Startup folder wo...

You try to install or update an app from the Microsoft Store, but you get a ‘Permission Denied’ e...

If you've tried resetting OneDrive sync settings but the changes don't take effect, you're likely...