md5stress on Windows with Nvidia?

At the risk of angering the moderators, I'm going to pose the question again:

Is md5stress supposed to work in Windows 7 with Nvidia cards?

>md5stress64 100
initializing random seed...
initializing opencl...
Error 0 in line 132

>md5stress32 100
initializing random seed...
initializing opencl...
Error 0 in line 132

Is there something were supposed to do to allow it to work?