Dear Sir/Madam, You can get the latest CADian 2010 at our webhard. Please remove current CADian at first. And then install new CADian, again. ----------------------------------------------------------------------- [ Access this webhard ] - http://www.webhard.net/member/ ( id=cadian, password=omega1 ) - Downlaod and install this : CADian2010_EngPro.exe ----------------------------------------------------------------------- You can get an authority code automatically while install the latest of CADian 2010. And CADian 2010 would be executed automatically. Regards, CADian Helpdesk