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

Fix Microsoft Store Not Opening After Windows Update

After a Windows update, the Microsoft Store may fail to open—clicking the icon does nothing, or i...

Fix OBS Virtual Camera Audio Sync Issues

If you're using OBS Virtual Camera for Zoom, Teams, or other apps and notice the audio is out of ...

Fix GitHub Actions Cache Action Permission Denied Error

Fix PowerShell Blank Screen with No Cursor

If you open PowerShell and see only a blank window with no cursor (no blinking line), the console...

How to Reinstall the Windows Security App (Microsoft Defender)

If the Windows Security app (Microsoft Defender) is missing, won’t open, or shows errors, reinsta...