Newbie question

[0dlan]

Hello, i have the following problem.
I work on XP 32-bit using an 'application, wysiwyg from castlighting, that works fine with sentemul2007 merging 2 reg file to regedit and load 2 dng file in emulator.

Now i have switch to windows 7 64 bit and the trick does not work anymore.I can run sentemul2007 but service startup generates an error 1275

Any help will be appreciated