I tried setting the flag but it made no difference on the bug. However, I must say, the 3d particles really look great! Although many of my effects don't work, and many are overly bright, I like the extra definition it seems to give. Please continue with this as an option.

As for the bug, would you be able to at least give me an assurance that this will be fixed(Nvidia will get back to you)? In the meantime, I think I will try out some older drivers and see if it's a driver problem, at least if it's a driver issue I will be able to work with an older driver for the time being. Thanks JCL.