Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you're unable to update or install Windows Search through Windows Update, using an offline ins...

If you're using PowerShell with Azure, Microsoft Graph, or Exchange Online modules, you may encou...

If you see a "404 Not Found" error when opening Windows Defender, it often means a required file ...

You try to open a file in OneDrive and see a 404 Not Found message, or you get an Access Denied e...

If you need Chrome to download and apply a managed profile configuration on Windows—perhaps from ...

You open Windows Security and see a red banner: “Virus & threat protection turned off.” This can ...