I know a lot of people are having trouble with finding one for vista, and many had no luck applying the fix at razorblueprints. Here is a one step fix to the issue.
http://rs87.rapidshare.com/files/100900912/iQ_Vista_Mouse_Fix.zip
Note:I DID NOT MAKE THIS. I'm just spreading it around for people that are still having trouble.
http://rs87.rapidshare.com/files/100900912/iQ_Vista_Mouse_Fix.zip
Note:I DID NOT MAKE THIS. I'm just spreading it around for people that are still having trouble.