Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You try to open, edit, or delete a file and get an error like File locked by Windows Defend...

Fix Windows Defender Can't Connect After Update
After a Windows update, you might see an error that Windows Defender can't connect to the service...

Fix 'powershell not recognized as internal or external command'
When you type powershell in Command Prompt or a script and see the error "'power...

How to Fix Chrome Not Downloading Files on Mac
You click a download link in Chrome on your Mac, and nothing happens—or the file starts but never...

Fix Microsoft Store Permission Denied Error
You try to install or update an app from the Microsoft Store and get a 'permission denied' error....

Fix Chrome Profile Dependency Conflict Error
You open Chrome and see an error about a profile dependency conflict. This usually means your use...