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

Fix Remote Desktop Black Screen on Ubuntu

You connect to your Ubuntu machine via Remote Desktop (RDP or VNC) and see only a black screen. T...

Fix Microsoft Store 'Service Unavailable' Error on Windows 11

When you open Microsoft Store on Windows 11 and see a 'Service Unavailable' message, it usually m...

Fix Windows Update Error 0x800f0831: Missing Component

When running Windows Update, you may see error 0x800f0831 with a message that a component is miss...

How to Fix GitHub Actions Permission Denied (publickey) Error

You're running a GitHub Actions workflow and see Permission denied (publickey) when ...

Fix Microsoft Store 404 Not Found Error on Reinstall