I had no problem getting this driver to work. DL'd it straight from the Mustek site to one folder, double-clicked the exe, and that's it. Hope it works for you!!!
The following files are found inside the driver download file.
|Web.W02||1.5 MB||19 Oct 2002|
|Web.W04||1.5 MB||19 Oct 2002|
|Web.W05||634.1 KB||19 Oct 2002|
|Web.EXE||1.5 MB||19 Oct 2002|
|Web.W03||1.5 MB||19 Oct 2002|