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

Fix Windows Defender Real-Time Protection Stuck Off

You try to enable real-time protection in Windows Security, but it either stays grayed out or rev...

Fix PostgreSQL Password Auth Failure After Upgrade

After a PostgreSQL upgrade, you might see errors like "password authentication failed for user" o...

How to Fix Git Fatal Repository Not Found Error

Windows Update Error 0x80070643: Troubleshooting Checklist

If you see error 0x80070643 when trying to install Windows updates, the update process likely fai...

Fix PowerShell Network Error: Could Not Establish Trust Relationship

When you run a PowerShell command that connects to a remote server over HTTPS, you may see the er...

Fix 'ffmpeg command not found' in Docker Container

If you see ffmpeg: command not found when running a Docker container, ffmpeg is simp...