Sorry for the late reply but I too have had difficulty with this
particular webcam, however my situation is slightly different. I
acquired the beige quickcam model off a friend who purchased it a
while ago. I installed it with the drivers cd and everything ran
smooth, no problems.

I had a drive reformat not so long ago and wished to reinstall my
webcam, but could not find my drivers CD. Not to be deterred, I then
googled logitechs website and any possible driver information.
However, the "drivers" available for their version of quickcam pro
seemingly does not support it's only earlier model for some unknown
reason, and as a result I have a webcam sitting around collecting dust
as I cannot locate either my drivers CD, or the correct drivers
online.

Has there been anyone that has gotten around this before? perhaps
using either a modified driver or a hacked one?