Checklists for software errors, setup, and tool workflows.

Fix Microsoft Store High CPU Usage & Error 0x80073cf0

You open the Microsoft Store, and your CPU fan spins up. Task Manager shows Store using 30-50% CP...

Fix Windows Defender High CPU Usage with Registry Tweaks

If Windows Defender is using 30-50% CPU constantly, even when idle, it's usually due to aggressiv...

How to Speed Up Slow Windows Defender Scans

If Windows Defender is taking hours to run a scan, you're not alone. The built-in antivirus can s...

Step-by-Step Command Prompt Setup Guide

Command Prompt is a built-in Windows tool for executing commands. This guide covers how to open i...

Fix Windows Activation Error 0xc004f074

When you see error 0xc004f074 during Windows activation, it usually means the system clock is out...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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