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...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

How to Fix Windows Terminal 404 Error on Open

You click Windows Terminal and nothing happens, or you see a 404 error message. This usually mean...

Fix Windows Security Connection Timeout After Update

After installing a Windows update, you might see a "Connection timeout" error when opening Window...

Fix Windows Defender Update Error 0x80070005

You see error 0x80070005 when trying to update Windows Defender. This usually means a permission ...

How to Fix Microsoft Store Error 0x80072efd

When you see error 0x80072efd in Microsoft Store, it usually means the app can't reach its server...