Try the steps in the following link to manually update your software.
https://ttlc.intuit.com/community/updating/help/what-is-a-manual-update/00/26074
Try these steps to troubleshoot installation.
https://ttlc.intuit.com/community/troubleshooting/help/troubleshoot-installing-and-running-turbotax-...
If you need further assistance, use the following link to contact customer support.
https://ttlc.intuit.com/community/using-turbotax/help/what-is-the-turbotax-phone-number/00/25632
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