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

Fix BitLocker Token Expired on Domain-Joined PC

When a domain-joined PC shows a BitLocker recovery prompt with a message that the token has expir...

Fix Putty Connection Refused on Port 22

You try to connect to a remote server with Putty on port 22, but you get 'Connection refused'. Th...

Fix Apache Not Starting Due to Permission Denied Errors

When Apache fails to start and logs show 'permission denied', the issue is usually file permissio...

Fix PowerShell 502 Bad Gateway Caused by TLS Version Mismatch

If you see a 502 Bad Gateway error when running PowerShell scripts that call web...

MongoDB Authentication Failed: Administrator Checklist

Fix 'Windows Update Command Not Found' on Windows 11

If you see 'Windows Update command not found' when running wuauclt or usoclien...