Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

When your Windows computer starts acting up—slow performance, error messages, or network problems...

If you see a 'BitLocker path not found' error when trying to enable, suspend, or manage BitLocker...

You install a Chrome extension, but it doesn't appear in the toolbar, or it's grayed out, or it j...

When updating Windows, you might see error 0x80070570 with a message about insufficient permissio...

When you try to install or update an app from the Microsoft Store and get an error about a file b...

You try to open an app, but it either won't start or can't connect to the internet. A common caus...