https://ttlc.intuit.com/community/taxes/discussion/downloads/01/2239314#M804121 <P>WHY would Turbo Tax send an updater download that failed with Microsoft Installer error 1603??</P><P>I have been a customer for over 10 years and this is one of the most stupid moves I have ever seen! I am only one of hundreds that had this problem.</P><P>Your solutions in Help didn't help. It took me two days to figure it out. If this happens again, I will never use or recommend Turbo again.</P><P>WPB</P> Thu, 29 Apr 2021 16:15:00 GMT Billyb2 2021-04-29T16:15:00Z https://ttlc.intuit.com/community/taxes/discussion/downloads/01/2239314#M804121 <P>WHY would Turbo Tax send an updater download that failed with Microsoft Installer error 1603??</P><P>I have been a customer for over 10 years and this is one of the most stupid moves I have ever seen! I am only one of hundreds that had this problem.</P><P>Your solutions in Help didn't help. It took me two days to figure it out. If this happens again, I will never use or recommend Turbo again.</P><P>WPB</P> Thu, 29 Apr 2021 16:15:00 GMT https://ttlc.intuit.com/community/taxes/discussion/downloads/01/2239314#M804121 Billyb2 2021-04-29T16:15:00Z https://ttlc.intuit.com/community/taxes/discussion/re-downloads/01/2247215#M806335 <P>Disable UAC (User Account Control)</P><P>Reboot</P><P>Download and install the manual update</P><P>Restart Turbotax</P> Mon, 03 May 2021 16:24:28 GMT https://ttlc.intuit.com/community/taxes/discussion/re-downloads/01/2247215#M806335 frustrated-1 2021-05-03T16:24:28Z