The main reason to be loyal to a tax SW company is the ability to import data from the prior year's return.
With HR Block Business 2019, it is impossible to import the prior year's return if the 2018 and 2019 return software are not both installed on the same computer. So, if you switched computers between 2018 and 2019, you are out of luck. There's no way to save or export the 2018 return, trasfer it and import it into the 2019 software on a different computer.