Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You open Windows Terminal, see a flash of a login prompt, then it closes immediately with an erro...

You open Activation Settings, click 'Activate', and the progress bar stays at 0% indefinitely. Th...

If Chrome shows a sync error saying "Profile path not found," it usually means Chrome cannot loca...

You see error 0x80070643 when trying to install Windows updates, often accompanied by a message a...

You try to run a Windows Defender scan or update, but get an error like "Authentication f...

How to Stop and Restart Windows Update Service
If Windows Update is stuck downloading updates, keeps failing with error codes, or won't start at...