Hi!see below... first you need to do a clean uninstall and then install...To clean install you need to follow this procedure:http://www2.nohold.net/noHoldCust542...n_install.htmlRun a registry/system cleaner. ccleaner is quite good utility (http://www.ccleaner.com/download/downloadpage.aspx?f=3) Re-download the installer from here (and do NOT use any download managers):www.zonelabs.com\zapdownloadCheers,Fax