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

Fix 'Port Already Allocated' Error When Microsoft Store Won't Open

You try to open the Microsoft Store, but instead of the app window, you see an error message sayi...

Fix Task Scheduler Authentication Failed After Password Change

If you changed your Windows password and now see 'authentication failed' errors in Task Scheduler...

Fix Microsoft Teams Authentication Loop After Update

After a recent update, you might find Microsoft Teams stuck in an authentication loop—signing in,...

OpenVPN Connect Timeout Troubleshooting Guide

If you're seeing "Connection timeout" when trying to connect via OpenVPN, the client is unable to...

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...

MongoDB Authentication Failed: Administrator Checklist