This identical environmental variable problem is a known issue from the Spring of 2020 with TurboTax 2019. I wonder why Intuit didn't consider it worth solving during the two intervening years?
See this link for the post by JeffSom on April 02, 2020: https://ttlc.intuit.com/community/taxes/discussion/why-won-t-turbo-tax-2019-premier-ins[product key ...
