Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

After a Chrome update, some users see a 'Service Unavailable' error when trying to load pages. Th...

You open Chrome to browse, but pages won't load even though other apps work. This is a common iss...

You install a Chrome extension, but it doesn't appear in the toolbar, or it's grayed out, or it j...

You open Microsoft Store and see a message like ‘Proxy server isn’t working’ or ‘Check your proxy...

You might see a Windows Defender rate limit error when scanning files or updating definitions. Th...

After a Windows Update, Windows Defender (now called Microsoft Defender Antivirus) may stop worki...