Hello! I'm here to help you get your Vector Robot app unstuck from the preparing loop. Let's work through a solution together.

1. Restart the App: First, try closing the Vector Robot app completely on your Mac and then reopen it.

2. Reboot Vector: If the app restart doesn't resolve the issue, you can try turning Vector off and on again. Here's how:
- Place your Vector on his charger.
- While he's on the charger, press and hold the button on his back for about 5 seconds until you hear a sound, indicating he's rebooting.

3. Reset the App Data: If rebooting Vector didn't help, you might need to reset the app data. However, keep in mind this will erase the app settings, so you'll need to set it up again:
- Navigate to your Mac’s 'Finder', open 'Applications', and remove the Vector Robot app by dragging it to the trash.
- Download and reinstall the app from the official website or the App Store.

4. Perform a Factory Reset on Vector: As a last resort, you can perform a factory reset on your Vector. This will reset him to default settings:
- Press the button on Vector's back twice quickly, hold it, and then let go. This will prompt him to reset himself 2.

After you've tried these steps, is your Vector Robot app working correctly? If you continue to experience issues, I'd recommend contacting Anki’s support team at [email protected] for further assistance.