Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You open Windows Security and see a '504 Gateway Timeout' error. This usually means Windows Defen...

You see an error that says something like "Windows Update module not found" or "Configuration fai...

If Microsoft Edge fails to launch—clicking the icon does nothing, or the window appears briefly a...

When you run Invoke-WebRequest in PowerShell and get a 502 Bad Gateway

Error 0xc004f074 Windows 10 Activation Fix
You see error 0xc004f074 when trying to activate Windows 10. It usually means the activation serv...

How to Fix Microsoft Store File Locked Error
If you see a 'file locked' error when trying to install or update an app from the Microsoft Store...