HELP- windows 8.1 and problem with CE

Discussion created by vasso_k on Jun 22, 2014
Latest reply on Jun 23, 2014 by MBuehler-esristaff
I just installed Windows 8.1 and CE appears an error message about repairing it in ArcGIS Administrator.
In Administrator in the CE tab it says:
CityEngine Advanced, 2012.1, installed YES, authorised YES, expires 29 Aug 2014.

What can I do to repair it?? HELP