Here's some links I saved....
See if these 2 support articles help
https://ttlc.intuit.com/community/tax-topics/help/there-is-an-update-available-for-your-version-of-t...
State up to date looping error
https://ttlc.intuit.com/community/tax-topics/help/state-loop-indicates-turbotax-is-up-to-date-after-...
Trouble validating your credit card
https://ttlc.intuit.com/community/bugs-and-error-messages/help/error-we-are-having-trouble-validatin...
Invalid email at checkout
https://ttlc.intuit.com/community/tax-topics/help/turbotax-cd-download-e-mail-invalid-at-checkout/01...
