Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

When Windows activation fails, you might see an error that the command line repair tool cannot st...

You open Edge on a different device, expecting your bookmarks and passwords to appear, but nothin...

You're trying to install or update Visual Studio, but the installer fails with error code 0x80070...

If you're seeing a '404 Not Found' error when trying to access your BitLocker recovery key on Win...

You open Remote Desktop, enter the computer name, and get either "Connection refused"

Fix Windows Security 504 Gateway Timeout After Driver Update
You open Windows Security and see a 504 gateway timeout error. The interface loa...