Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If Chrome shows a black screen or flickers when watching videos, scrolling, or opening menus, har...

If you see ERR_CONNECTION_RESET in Chrome, the browser can't establish a con...

When you see Windows Update error 0x800f081f with “installation failed,” it usua...

If you see error 0x800f081f when running Windows Update, it usually means a system file or compon...

You sign out of Windows, sign back in, and the taskbar icons you pinned are gone—or some system i...

You may notice that some app icons in the system tray (notification area) are hidden behind an up...