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

Fix OBS Black Screen After Game Capture Setup

You set up a game capture source in OBS Studio, but the preview shows a black screen. The game ru...

Fix Windows Activation Blocked by Firewall

When Windows can't activate, one common culprit is the firewall blocking the connection to Micros...

How to Troubleshoot PowerShell 404 Not Found Errors

When PowerShell shows a 404 Not Found error, it usually means the system cannot locate a file, mo...

Fix VirtualBox Kernel Driver Permission Denied on Linux

Fix Windows Update 'Permission Denied' Errors

You click 'Check for updates' in Windows Update, but instead of downloading, you get an error lik...

How to Enable Remote Desktop in Windows Firewall

If you're trying to connect to a Windows PC remotely but keep getting errors like "Remote Desktop...