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

Fix systemd Service Restart Loop Due to Unit File Errors

You notice a service keeps restarting repeatedly, filling logs with start/stop messages. This oft...

How to Fix Abnormal Memory Usage in CMD on Windows

Fix Microsoft Store Access Denied Error: Reset App

If you get an 'Access Denied' error when trying to open or download from Microsoft Store, the app...

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...

Fix OBS Virtual Camera Not Detected by Zoom

You've set up OBS Studio with the Virtual Camera plugin, but Zoom shows nothing in the camera dro...

Fix Windows Security Won't Turn On Real-Time Protection

You click the toggle to enable real-time protection in Windows Security, but it switches back off...