
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...

If you're troubleshooting a persistent Chrome issue—like crashes, slow performance, or extension ...

When you run npm ci in a production environment and hit an ERESOLVE err...

You open Outlook and get an error: “Module not found.” This usually means a required component is...

If you've disabled Windows Defender real-time protection—perhaps to run a specific tool or becaus...

When you try to open or download an app from the Microsoft Store on Windows 10, you might see a 4...