Please see the FAQ below for assistance:
https://ttlc.intuit.com/community/tax-topics/help/turbotax-desktop-windows-update-loop-at-e-file/00/1116299 If you are having issues and need assistance, please contact customer support by following the instructions below.
https://ttlc.intuit.com/community/using-turbotax/help/what-is-the-turbotax-phone-number/00/25632