Reviews I've read note that even when the driver works, they occasionally get "Driver open fail!" errors.
If it doesn't work at all, the review of http://www.usbman.com and USB motherboard drivers is needed.
I have just purchased a ViviCam 55 Digital camera. I installed the software but found that the driver would not load. I cannot find a web site where I might find an updated driver to enable me to download my pictures. I am using Windows ME, 256MB RAM, 20Gb Hard Drive. I think I have been hoodwinked.