If you are running or working in a repair business, you need to have business-licensed tools and know how to use them. Is Fabs AutoBackup the Pro version and licensed? If not, stop using it in the business if you want to be ethical and continue getting help on here. Same for cloning software, get a version licensed for use on clients' computers. There have been many suggested.
I also question whether you should be working on customer computers without supervision/tutoring of a senior tech. So far, your operating procedures are a slow motion train wreck! I appreciate that you are just starting out and we all started out without experience at some point, but I don't think you are being fair to your customers or the business you work for if you don't have someone more experienced to guide you for a while.