Compatibility K8055D_C.dll with Windows Vista / WIndows 7

Hi

I am controlling the VM110 USB experiment interface board with a piece of C++ code that relies on the K8055D_C.dll and the K8055D_C.lib. It works fine on Windows XP machines. However, on Windows Vista or Windows 7 machines it fails.
The code does not throw any compilation or runtime errors Therefore I assume the communication with the DLL is fine and it seems like the DLL does not communicate with the VM110.
Are there any known compatibility issues with the K8055D_C.dll in Windows Vista / Windows 7 or am I barking up the wrong tree here?

Thank you for your advice,
Mathias

If you are using version 2 of the K8055D_C.DLL then you may download and try newer version 3 of the DLL.
Here is the link to download the version 3: box.net/shared/8qz5q0xmqebav0elgnvd

You can use the old .LIB file with this DLL version.