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

Chrome Profile Configuration for Multiple Users

If you share a computer or just want to keep your work and personal browsing separate, Chrome pro...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

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...

BitLocker Command Not Found: Recovery Checklist

When you run a BitLocker command in Command Prompt or PowerShell and get 'command not found', it ...

Fix 'Service Unavailable' for PowerShell on Windows 10

You open PowerShell on Windows 10 and see an error like "Service Unavailable" or "PowerShell is n...

Windows Update Cleanup Not Completing: Fixes That Work

You run Disk Cleanup or Storage Sense to clear Windows Update temporary files, but the tool hangs...