Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you're running a local development server or an internal application with a self-signed or pri...

If you see error 0x80070643 during a Windows activation update, the update process has been inter...

If Windows Search is stuck on "Loading results..." or the search box shows a spinning circle, it'...

You open the Start menu or File Explorer to search for a file, and nothing happens — or you see a...

If you see error code CXA20001 when signing into Microsoft Teams, the app is usu...

You encoded a video with FFmpeg and now the audio is ahead or behind by a fraction of a second. T...