Checklists for software errors, setup, and tool workflows.

Fix Windows Defender Real-Time Protection Grayed Out

You open Windows Security, go to Virus & threat protection, and see Real-time protection is turne...

Fix Remote Desktop File Locked Error 0x80070020

If you get error 0x80070020 when opening or editing a file over Remote Desktop, it usually means ...

Fix Windows Security 404 Not Found Permissions Issue

You open Windows Security and see a 404 Not Found error, or the app won't load at all. Often this...

OneDrive Invalid Configuration Sync Issue Fix

Understanding the Problem

You open OneDrive and see an error like "Invalid configuration"...

Windows Security Antivirus Not Detecting Threats: How to Fix

If you suspect Windows Security (formerly Windows Defender) is not detecting threats, you might s...

Fix Git Token Expired Error in CMD: Step-by-Step

When you run a Git command in CMD and see fatal: Authentication failed for 'https://...'