Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If Windows Search is stuck on "Loading results..." or the search box shows a spinning circle, it'...

When you launch Microsoft Teams and see only a black screen after signing in, the app is likely s...

If you use multiple Chrome profiles and sync stops working—bookmarks missing, passwords not updat...

You open Outlook after a recent update and see “Service Unavailable” or “Cannot start Microsoft O...

If you're seeing errors like 429 Too Many Requests, Response status code does ...

How to Fix 'Repository Not Found' When Cloning with Git
When you run git clone and get a "repository not found" error, it usually means Git ...