Error 120: A TurboTax File Is Corrupt Please Reinstall
When launching TurboTax, a message appears stating Error 120: A TurboTax File is Corrupt. Please Reinstall.
Please uninstall and reinstall TurboTax to resolve this error. Your tax file is saved separately on your system and won't be affected by uninstalling and reinstalling the product.
If this fails, you should try forcefully uninstalling and reinstalling TurboTax.