Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you find that Windows Defender isn't starting automatically when you boot Windows 10, your sys...

If Windows Search stops working and you see an SSL certificate error in the event logs or search ...

After a Chrome update, you may notice that clearing the cache doesn't seem to work—old pages stil...

If you see a "task scheduler version mismatch" error when trying to import or run a scheduled tas...

You type a command in Command Prompt and get 'xxx' is not recognized as an internal or exte...

Fix Windows Update 504 Gateway Timeout Error
You see a 504 Gateway Timeout error when checking for Windows Updates. This usua...