For installation issues, make sure you are following these points:
You have the administrator rights on the profile you are installing TurboTax on
You are not trying to install on a cloud
Turn off your antivirus software and Windows Defender, before installation
If the error persist, we suggest you to contact our product support by phone.
https://turbotax.community.intuit.ca/turbotax-support/en-ca/help-article/tax-return/contact-us/L1h8P...
Thank you for choosing TurboTax.
