Novell released a new version of the "Zenworks Asset Managment 7.5 Client MSI" (zam750clientmsi.exe). 

It was reposted, this MSI fixes an issue where the Client does not show in the Add/Remove programs for all users This .MSI is provided as a method of installing the ZENworks Asset Management Client to workstations in a ZAM 7.5 environment.

Detailed installation instructions are available in this article .