SOLVED - I just deinstalled the CC App and downloaded again the version from Creative Cloud kostenlos | Kostenlose Adobe Creative Cloud-Testversion herunterladen
now everything is fine and all Add Ons are loaded and implemented - fine !
SOLVED - I just deinstalled the CC App and downloaded again the version from Creative Cloud kostenlos | Kostenlose Adobe Creative Cloud-Testversion herunterladen
now everything is fine and all Add Ons are loaded and implemented - fine !