I just tried KenLam's fix from above and that worked without downloading the SQL. I was able to download North Carolina State software.

I get Unexpected ErrorSystem.Runtime.Serialization.SerializationException: Type is not resolved for member ...EVERY TIME I go into Turbo Tax, when I try to upda...

The SQL Server Compact Download 4.0 link is no longer available. I manually updated my Federal Turbo Tax but I CANNOT download my State!