Knowledge base for software setup, errors, and daily tool work.

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

Fix Microsoft Store Blank Screen When Other Apps Work

You open the Microsoft Store and see nothing but a blank white or gray screen. Other apps—Edge, O...

Windows Terminal on Mac: Troubleshooting Checklist

If you're trying to run Windows Terminal on a Mac—perhaps through a virtual machine, Parallels De...

Fix Microsoft Teams Internet Connectivity Check Not Working

You open Microsoft Teams and see a message that you're offline or that Teams can't verify your in...

Fixing Microsoft Teams Proxy Error Code Causes

When Microsoft Teams shows a proxy error, it usually means the app can't reach the internet prope...

Change Remote Desktop Listening Port to Avoid Conflicts

If you cannot connect to a remote computer because another application is using port 3389, or you...