TurboTax error 65535 occurs whenever you there is the incomplete installation of this accounting software or when you have mistakenly downloaded the corrupted setup file of TurboTax. In order to resolve this issue from your system, all you need to do is follow the steps given below:
Open the task manager of your system.
Now you need to select the option of ‘Administrations’ options.
Check whether the position OF MIS server is not running.
If this is in running mode, the Windows is trying to introduce something new, and when it comes to a stop, then your error of 65535 in TurboTax will be gone.