Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If Windows Search stops finding files, emails, or apps, the search index may be corrupted or outd...

If Outlook is running slowly, freezing, or taking too long to load, the problem is often a combin...

You open Outlook and see a persistent warning about an SSL certificate error. The message often s...

If you're seeing a 404 error in Chrome but the page loads fine in another browser, a misbehaving ...

If you’re trying to use the Microsoft Store on a Mac—typically through the web version or via Win...

You've added a secret to your GitHub repository, but when your workflow runs, the environment var...