It looks like a bug you can help us to fix. I don't have access to Vista but I remember Juilus also has such issue and they fixed it. It looks like there is the problem in frontend processing
As a workaround of course you can get mfc on XP and use it later.
If you would like to refer to this comment somewhere else in this project, copy and paste the following link:
Dear Sir,
It looks like a bug you can help us to fix. I don't have access to Vista but I remember Juilus also has such issue and they fixed it. It looks like there is the problem in frontend processing
As a workaround of course you can get mfc on XP and use it later.