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

OBS Virtual Camera Black Screen: How to Fix

If you see a black screen when using OBS Studio’s virtual camera in Zoom, Teams, or other apps, t...

Command Prompt Not Opening as Administrator: Fixes

You right-click Command Prompt and select 'Run as administrator,' but nothing happens—or it opens...

Checklist: Windows Update Service Not Running in Services.msc

When you open Services.msc and see that the Windows Update service (wuauserv) is not running, or ...

How to Fix Command Prompt Access Denied Error Code 5

When you run a command in Command Prompt and see Access Denied – Error Code 5, i...

How to Fix '404 Not Found' Error in Windows Command Prompt