TurboTax 2019 Not Working Error 1719, TurboTax Updater Stuck on Windows 10
Steps to fix TurboTax 2019 Not Working, TurboTax 2019 Error 1719: Windows Installer service could not be accessed when installing or updating TurboTax, TurboTax 2019 Updater gets stuck on "Waiting for the installer service. Facing Problems running TurboTax 2019 on Windows 10 1909 Version
DISCLAIMER: Disable antivirus or Windows Security controlled folder access AT YOUR OWN RISK. Disabling it is my personal choice and I will not be held personally responsible for any threats or harm to your system.
Keep in mind that if you disable it, your device may be vulnerable to threats and make sure to enable it after the issue is resolved.
Manual update link: https://ttlc.intuit.com/community/updating/help/manually-update-turbotax-for-windows-software-basic-deluxe-premier-home-business/00/26041