Installation Problems - 1.0.5

I have tried to run Karamba on Win8.1 with both the 64-bit and 32-bit versions of Rhino, but I get an error with both of them when I try to view the version. Karamba.dll is located in the Windows folder.

When I look at the components in Grasshopper I see that I am getting the Pinvoke problem. How do I check to see which version of Karamba was installed (32/64)? I wasn't given any choice. How do I make sure that the right version is installed?