One possible cause is that there are remnants from the previous install in the registry. One of the main culprits of this message is the Advantys folder located under HkeyLocalMachine>Software>Schneider Electric. Find and delete this folder then re-attempt the install.
Legacy KB System (APS) Data: RESL212008 V1.0, Originally authored by DaSo on 07/09/2013, Last Edited by DaSo on 07/09/2013
Related ranges: Modicon STB