When I try to load my 2008 TurboTax Business I get the Error Code: 65535. Is this because the CD disc is more than 10 years old and not supported?
I don't know about old programs but here is the Help article
But even if you get it installed you don't be able to update the program or download any state programs you need. And you can't open a .tax file if it has a state in it.
Do you have a 2008 .tax file you need to open? Try