WD Smartware and WD Security for WD MyPassport Ultra not function

Hi. My Passport Ultra Software stopped working. It is not possible to install WD Security or WD Smartware for my Passport Ultra again. The operating system is a actual Windows 7 pro. Virus Scanner is Bitdefender.
If i’m starting the installation i get no Window with the installation programm. The software is shown in task manager, but stopped operating.

I tried to deinstall complete (including delete all registry keys with WD Smartware and others, but this have no result.

Hello,

I recommend you email support in order to get assistance with this issue.

http://support.wdc.com/support/case.aspx?lang=en