Same problem... 2018 turbotax Deluxe on Windows 10. MacAfee antivirus... but I agree you shouldn't have to disable antivirus to run a program. I did change my settings to Administrator permission for Turbo Tax. That seemed to lessen the crashes but still too often. I'm annoyed because I had issues with downloading 2nd state in 2017 last year and customer service took a long time to determine they had a known bug and give me the solution. Afterwards, I couldn't get a credit on the 2nd state I purchased twice due to their bug and direction I received from Customer Service. I have been using Turbo Tax for many years... but I'm starting to lose confidence in Intuit. I hope at some point they give this some attention and put out a solution.
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