
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 the Microsoft Store refuses to open—showing a blank window, a spinning circle, or nothing at a...

You set up a task in Windows Task Scheduler to hit a web endpoint, but it returns a 502 Bad Gatew...

After a Windows update, you might notice that Search takes longer to return results or seems unre...

You try to install a Python package with pip install somepackage and get a Per...

You open Chrome, but instead of your home page, you get a blank white screen. The browser window ...