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

Fix Windows Security Not Starting After Update

After a Windows update, you might find that Windows Security won't open, or it shows a blank wind...

Fix Microsoft Store Module Not Found Configuration Error

You open Microsoft Store or a Store app and see an error like 'module not found' or 'configuratio...

Fix Microsoft Store Error 0x80073cf0 When Updating Apps

When you try to update apps in the Microsoft Store, you may see error code 0x80073cf0. This usual...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

Systemd Service Setup Checklist for Beginners

You've written a script and want it to run as a background service. Systemd is the modern way to ...

Fix Windows Security Rate Limit Error 0x80070005

You open Windows Security and see an error: 0x80070005. Sometimes it says "Access denied" or "Rat...