Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If Windows Search doesn't start when you boot your PC, you'll notice the search box or taskbar se...

You restart your computer after a Windows update, and instead of reaching the desktop, you see th...

If Windows Defender is acting up—showing incorrect threat history, failing to update, or consumin...

When a scheduled task fails with “The path specified cannot be found” or “Access is denied,” the ...

You've downloaded the Microsoft Teams offline installer but double-clicking it does nothing—or ma...

You see an error that Windows activation failed to start sync with your Microsoft account. This u...