This works fast on my Windows 10 PC and possibly will work with Windows 8 and 11, according to the original source.
1. press CNTRL+ALT+DEL and open the Task Manager.
2. click More Details in the bottom left corner.
3.On the processes tab, click to select Windows Installer under Background processes.
4. Click the End Task button (it's down at the bottom of the page).
5, Install TurboTax again.
