Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you're trying to download or update an app from the Microsoft Store and the progress bar stays...

You install or update a Chrome extension, click its icon, and nothing happens—or you see a vague ...

If your Microsoft Teams installation gets stuck at 90 percent, you're not alone. This is a common...

OneDrive sync error 0x8004de40 usually appears when you try to sign in or sync files. The error m...

After a Windows upgrade, you might see a '502 Bad Gateway' error when trying to activate. This us...

When you see a "connection refused" error while trying to manage BitLocker remotely or access a B...