Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

View list

Fix Windows Activation Update Stuck Error

You try to update Windows, but the update hangs or fails with an activation error. The update may...

Fix 'Run Command Prompt as Administrator' Permission Denied Errors

You right-click Command Prompt, select 'Run as administrator', and get an 'Access denied' or 'Per...

Fix Windows Search Stuck Loading for a Long Time

When you open the Start menu or File Explorer and the search box just spins or shows “Searching…”...

Setup PowerShell Offline Installer on Multiple Computers

When you need to install PowerShell on several Windows machines that lack internet access, the st...

Fix 'PowerShell Not Recognized as Internal or External Command'

If you see the error 'powershell' is not recognized as an internal or external command

How to Fix Windows Security Invalid Configuration Errors
You open Windows Security and see a yellow warning: "Invalid configuration" or "Page not availabl...