Sometimes, uninstalling TurboTax via the usual methoddoesn't completely remove the program.
In those instances, you can forcefully uninstall TurboTax to ensure all TurboTax files are removed.
Solution- Browse to the following location on your hard drive: C:/Program Files (x86)/Common Files/Intuit/TurboTax/TY19/PER/MSI (replace XXwith the 2-digit tax year of the TurboTax program you want to uninstall, for example 18 represents TurboTax 2018).
 - Right-click each file in this folder and select Uninstall.
 - Delete the following directories (where XX is the 2-digit tax year of the program you've just uninstalled):
- For Windows 10/ 8 / 7 / Vista 64-Bit
- C:/Program Filesx86/Common Files/Intuit/TurboTax/TYXX
 - C:/Program Filesx86/TurboTaxTYXX
 - C:/Users/[Your username/]AppData/Roaming/Intuit/TurboTax/TYXX
 - C:/Program/Data/Intuit/TurboTax/TYXX
 
 - For Windows 10/ 8 / 7 / Vista 32-Bit
- C:/Program Files/Common Files/Intuit/TurboTax/TYXX
 - C:/Program Files/TurboTax/TYXX
 - C:/Users/[Your username]/AppData/Roaming/Intuit/TurboTax/TYXX
 - C:/Program/Data/Intuit/TurboTax/TYXX
 
 - For Windows XP
- C:/Program Files/Common Files/Intuit/TurboTax/TYXX
 - C:/Program Files/TurboTax/[version] /20XX – replace [version] with Basic, Deluxe, etc.
 - C:/Documents and Settings/All Users/Application Data/Intuit/TurboTax/TYXX
 - C:/Documents and Settings/[Your username]/Application Data/Intuit/TurboTax/TYXX
 
 
 - For Windows 10/ 8 / 7 / Vista 64-Bit
 - When finished, restart your computer, and then install TurboTax.