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

Command Prompt Settings Not Saving: How to Fix

You change the font, layout, or colors in Command Prompt, click OK, but the next time you open it...

Fix Chrome Auto Start with Profile Not Working on Mac

If you rely on Chrome opening automatically when you log in to your Mac—and with a specific profi...

Nginx 502 Bad Gateway: Troubleshooting Checklist

If you're seeing a 502 Bad Gateway from nginx, it usually means nginx can't reach the upstream se...

Fix Microsoft Store Error 0x80073cf6: Port Already Allocated

When installing or updating apps from the Microsoft Store, error 0x80073cf6 often appears with a ...

How to Set Up BitLocker Network Unlock

BitLocker Network Unlock allows domain-joined computers to unlock the system drive automatically ...

How to Fix 'npm command not found' on Mac