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

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 kubectl apply Forbidden on GKE

Fix PowerShell Blank Screen on Windows 11

If you open PowerShell on Windows 11 and see nothing but a blank window—no prompt, no text—the sh...

Fixing Microsoft Teams Connection Timeout from Firewall Settings

If Microsoft Teams frequently shows "connection timeout" errors, your firewall or proxy settings ...

Fix Windows Update Failed to Start After Reboot

You’ve just restarted your PC after installing updates, but Windows Update won’t start. The updat...

Fix Command Prompt Access Denied Error as Admin

You right-click Command Prompt, select 'Run as administrator', and still get 'access denied' when...