Can't run installed extensions?

I have the latest photoshop CC installed, & extensions manager for CC. I cannot for the life of me understand why after installing Russell Brown's paper textures, & watercolor assistant extensions, they show installed in the exchange panel as installed,  but not in the drop down window>extentions !

I have ran the extensions manager program & it says they are enabled! but no where to be seen with the PS CC window>extensions !

Help!

....Alan

Moved to exchange discussion : Message was edited by: AJCameron