(*) If by any chance the backup could not be uploaded, then it will not be deleted. It's mandatory select the option compress file to be able to upload the backup, otherwise the upload will be ignored.
(^) It's recommended use IE. Some users reported that before start the Authorization process, they had to do a Sign Out first from their Google Account. If you previously authorize SQLServerBooster in your Google Cloud Storage ®, proceed to Deauthorize and start the process again (following these instructions).