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

How to Fix Command Prompt Crashing on Open

You click Command Prompt, the window flashes for a split second, then disappears. This can happen...

Windows Activation Access Denied: Step-by-Step Fix Guide

You try to activate Windows, but get an 'access denied' error. This usually means the activation ...

MongoDB Authentication Failed: Administrator Checklist

How to Fix OBS Virtual Camera Not Showing Up

You've installed OBS Studio, set up your scenes, and want to use the virtual camera in Zoom, Disc...

Fix High CPU Usage by Antivirus Scanning PowerShell

If you notice that PowerShell (powershell.exe or pwsh.exe) is using high CPU, and you have an ant...

Fix WSL Ubuntu resolv.conf Reset on Every Reboot

If you run Ubuntu on WSL and you've manually edited /etc/resolv.conf to set custom D...