Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

View list

Windows Defender Setup Checklist for Small Business

If you're setting up Windows Defender for a small business, you might be wondering if the built-i...

Fix Windows Security High Memory Usage

You open Task Manager and see Windows Security (or Antimalware Service Executable) using 500 MB o...

Windows Security Token Not Updating: Practical Fixes

You log into a network share or an app, but Windows keeps using an old security token. Permission...

Windows Activation Cache: Location and How to Delete

If you're getting activation errors after a hardware change or a Windows update, a corrupted acti...

Checklist for Fixing Windows Defender Command Not Found

When you run Get-MpComputerStatus or Start-MpScan and see "The ...

Fix Windows Defender Auto Start Not Working in Windows 10
If you find that Windows Defender isn't starting automatically when you boot Windows 10, your sys...