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

How to Run Command Prompt as Administrator on Mac

If you're coming from Windows, you might be looking for a way to run something like Command Promp...

Fix Windows Security Cannot Connect to the App

When you see 'Windows Security cannot connect to the app' while trying to open Windows Security o...

BitLocker Auto-Unlock Not Working with TPM: Fixes

You've set up BitLocker with a TPM, and it used to unlock your drive automatically at startup. No...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED Proxy Error

When Chrome shows ERR_TUNNEL_CONNECTION_FAILED, it usually means a proxy connect...

Fix Windows Activation Command Not Found Error

You try to run slmgr /ato or slmgr /ipk in Command Prompt, but Windows ...

MongoDB Authentication Failed: Administrator Checklist