Get your taxes done using TurboTax

Let's try another angle.  My cache and cookies should have nothing to do with this as I installed the program from a CD on my hard drive.  I am not using the cloud version.  I have a long and complex return, really don't want to start all over!  I have tried going in and deleting the Minnesota KPI data, then re-entering it.  Still Turbotax not happy.  Here is my new question: Since you advise that the program should work, can I download TurboTax from my desktop from InstallTurboTax.com and try that or will that destroy my current tax file?  I can save the tax files to a thumb drive and try the install....