Caps folder contains database file like Cache.db , Media,db , pdb.db which holds the information regarding Apps installation on system and other essential data, in some cases if the files are corrupted , it is essential to remove Caps folder . Once you delete Caps folder , CC app will list Apps with Install button as it does not have information regarding installation of CC apps as the Media.db file will be deleted along with it. In this case , it is better that you uninstall the Apps which is not listed as Up to Date ,and being listed with Install button even though it is already installed.
... View more