Checklists for software errors, setup, and tool workflows.

Fix Windows 11 Installation Assistant Stuck at 99% Due to Network Issues

You're running the Windows 11 Installation Assistant, it downloads happily up to 99%, then si...

How to Fix Windows Update Error 0x800f081f (Missing Files)

You see error 0x800f081f when running Windows Update, often with a message like 'The source f...

How to Enable Windows Defender Real-Time Protection via Command Line

If you need to turn on Windows Defender real-time protection but can't access the Settings ap...

Windows Security App Not Opening on Windows 10: Fixes That Work

When you click the Windows Security icon in the Start menu or taskbar and nothing happens, it’s u...

Fix Remote Desktop Connection Failed Due to Group Policy

You try to connect to a remote desktop, but it fails with an error like "The connection was d...

Fix 'package.json Not Found' After Cloning a Repository

Symptom

You clone a repository from GitHub (or another remote), change into the directory...