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

Microsoft Store 502 Bad Gateway: Troubleshooting Guide

You open Microsoft Store, try to download an app, and see a 502 Bad Gateway erro...

Fix Remote Desktop Not Working on Ubuntu After Update

After a system update, you may find that remote desktop connections to your Ubuntu machine stop w...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

Fix Windows Activation Update Error 0x80070003

You try to activate Windows or install an update, and get error 0x80070003. It often means Window...

Fix Command Prompt Update Error After Reboot

You restart your Windows machine, open Command Prompt, and see an update error. This usually happ...

Find Windows Activation Log File Using Command Prompt

If Windows activation fails or you're troubleshooting licensing issues, the activation log file (...