You may run into the same problem as Lawrence Aversa from Syria, let's see what helps this friend solving it -- "My eMachines has experienced "RMActivate_isv.exe was not found" problem when playing The Chronicles of Riddick: Escape from Butcher Bay -- Developer's Cut.

Make this lower case.
you may run into the same problem as lawrence aversa from syria, let's see what helps this friend solving it -- "my emachines has experienced "rmactivate_isv.exe was not found" problem when playing the chronicles of riddick: escape from butcher bay -- developer's cut.