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

Fix Windows Activation Stuck on Loading Screen

You restart your PC to activate Windows, but the activation screen hangs on a spinning circle or ...

Fix 'Remote Desktop Command Not Found' After Update

Fix Putty Connection Refused on Port 22

You try to connect to a remote server with Putty on port 22, but you get 'Connection refused'. Th...

Fix Windows Activation Authentication Failed: Invalid Product Key

You see "Windows activation authentication failed" or "product key not valid" when trying to acti...

Windows Terminal Service Not Starting: Fix Guide

When the Windows Terminal Service (TermService) won't start, remote desktop connections fail and ...

OBS Virtual Camera Not Showing in Google Meet: Fixes

You've set up OBS Studio, added your sources, and started the virtual camera—but when you open Go...