Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If Windows Defender won't start, won't update, or shows error messages like "Service stopped" or ...

You connect an external drive that was encrypted with BitLocker, and instead of the usual unlock ...

You try to install or update an app from Microsoft Store, and you get a 'Permission Denied' error...

If you're seeing a 502 Bad Gateway error in Chrome, and other browsers work fine...

You run npm install and get an error like EACCES: permission denied, mkdir '/u...

How to Fix Microsoft Store Network Error
You open the Microsoft Store to download an app or update, and instead you see a network error me...