Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

After upgrading Windows—whether from an older version or a feature update—you might see an error ...

If Chrome shows 'proxy server not responding' only when you're using a particular profile, the pr...

When you try to install or update an app from the Microsoft Store and get an error about a file b...

When you type npm in the terminal and get command not found, it usually...

If the Microsoft Store app is missing, won't open, or keeps crashing, you can reinstall it using ...

If Windows Search suddenly stops working and you see a 'connection refused' error when trying to ...