
Fix 'Port Already in Use' Error When No Process Shows
You try to launch Chrome or a Chrome-based tool (like Puppeteer, Selenium, or a local dev server)...
Software troubleshooting desk

You try to launch Chrome or a Chrome-based tool (like Puppeteer, Selenium, or a local dev server)...

You see 'Activating' in Settings > System > Activation, but it never finishes. This is a common g...

If you see a proxy error in PowerShell—like Unable to connect to the remote server o...

After a Windows update, you may see a BitLocker error 504 on boot: "An error occurred while readi...

You sign in to Windows, the desktop appears for a moment, and then you're back at the sign-in scr...

You're trying to run a local server or application, but it fails to start because the port is alr...