Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You click Install, the progress bar moves a little, then you see "Installation failed" with an er...

After a Windows update, you might see an “Activation” watermark or a message saying Windows is no...

When you try to connect to a remote computer using Remote Desktop (RDP) and see an error like "An...

If your computer feels sluggish and Task Manager shows OneDrive using a high percentage of CPU, t...

If you're seeing slow downloads, failed updates, or apps that won't install, the Microsoft Store'...

If you're stuck on a sign-in screen or see an error like “Something went wrong” when trying to lo...