I had one major meltdown with QB when I had my business. Used IE, and QB Pro. I don't remember all the details, but I spent quite a few frustrating hours with QB help (off shore). Final frustration resulted in requesting a 'stateside' assist, and he solved the glitch in about 15 minutes.
Are all your computers running the same OS? Did you contact QB support? They may have a 'block' of some type in the program to prevent 'sharing' without registering. You may have to contact them & re-register to solve your problems.
I still have a new 'uograde' version floating around here somewhere that is sealed, & legal & unused, as I have no reason to install a 'new' version without the business.
