I don't know about old programs but here is the Help article
https://ttlc.intuit.com/community/bugs-and-error-messages/help/error-code-65535-unexpected-error/00/...
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
www.taxprinter.com
