&#60;p&#62;Hi,&#60;br&#62;I tried the fresh install installation with CP4 using HF 2 and HF4 and both has the some problem.&#60;br&#62;After the installation of commponents ands libraries, the Hopex start the compilation of metamodels.&#60;br&#62;In the compilation phase I received the message that : "link (metaAssociatedEnd/MetaAttribute)" missing from "MetaAttribute" "LegIndex-Programming"&#60;br&#62;and afters some minutes&#60;br&#62;A compilation error occured . Check MegaCRD gor more details&#60;br&#62;File with detais attached.&#60;br&#62;Regards&#60;/p&#62;