A new download of the BlackBerry Desktop Manager v7 has been made available in the Beta Zone. No word on exactly what's new with this latest version but we can safely assume it's possibly minor bug fixes. If you do find something else out share out with us in the forums!
Note from the Beta Zone: Due to a known issue, please remember to manually uninstall Bundle 10 of Desktop Software 7 before installing this new build (bundle 19).
If all else fails, you may need to intentionally brick your phone. You can achieve this by running the Auto Loader you downloaded. As soon as it begins