I tried several times but it refused to download the Maryland State!..
That drove me crazy, and i never have any problem before.
I'm thinking to return the software and get my money back! can I?
IF on Windows 10, there were updates released this week. IF partially-installed, but not rebooted, that may be blocking things. Customer Support s also available if you want help on the phone.....or as @VinuthaM suggested...more info about your exact computer system:
Another option....in past years with H&B (and only with Windows computers), downloading and installing the Manual TTX update has helped that particular problem: