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

OBS Black Screen Troubleshooting Checklist

You launch OBS Studio, start a scene, and the preview shows a black screen. This is one of the mo...

Docker Image Pull Access Denied Troubleshooting Checklist

When you run docker pull and get an access denied error, the image cann...

Fix Microsoft Teams Camera Permission Denied Error

When you try to start a video call in Microsoft Teams and see a "Camera permission denied" error,...

Fix BitLocker High Memory Usage After Windows Update

Why BitLocker Memory Usage Spikes After an Update

After a Windows update, some users noti...

Unlock a File Locked by System Command Prompt

You try to delete or move a file, but Windows says it's open in 'System' or 'Command Prompt'. Thi...

GitHub Actions Workflow Not Triggering: Fixes & Checks

You've set up a GitHub Actions workflow, pushed a commit, and nothing happens. The workflow doesn...