Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You click the Windows Security icon in the taskbar or open it from Settings, but nothing happens—...

When you try to activate Windows and see an error that the DNS name does not exist, it usually me...

If you see a 502 Bad Gateway error in OneDrive, it often means a proxy or network device is inter...

When you see error code 0x80070005 while trying to install or update an app from the Microsoft St...

If Microsoft Teams is using 50% or more of your CPU, you're not alone. This is a common issue, es...

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