Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You open an Office file from OneDrive and see an error that the file is locked or in use by anoth...

If you see "We can't activate Windows on this device because of a proxy error" or similar, your s...

If you need PowerShell to launch with admin rights every time you boot your Windows machine—for r...

When trying to activate Windows, you might see an error like "0x80072F8F" or "SSL certificate err...

You start a Windows update, watch the progress bar, and then see: "Configuration failed. ...

Windows Defender Configuration Settings Guide
Windows Defender (now Microsoft Defender Antivirus) is the built-in security solution for Windows...