Dude problems with Windows 7 64 bit

Hi, today i was trying to install the Dude V 3.5 in my laptop to create a map of my network.
I use Windows 7 64 bit.
When i tried to add a device (A Mikrotik router) the dude hang up and have to be restarted.
Is this a problem with W7 64 bits???
What can i do to solve this???

Thanks a lot..

Esteban

I use dude 3.5 in windows 7 64bit without any problem and without any particular configuration.