Try re-starting the computer and after the re-start see if the software you downloaded will install.
If the problem persists contact TurboTax support for assistance.
Use this website to contact TurboTax support during business hours - https://support.turbotax.intuit.com/contact/
Or -
Support can also be reached by messaging them on these pages https://www.facebook.com/turbotax/ and https://twitter.com/TeamTurboTax
Or -
Use this phone number and select TurboTax - 1-800-4-INTUIT (1-800-446-8848)
