In OSX App Store exist a update for a app that is not installed, and can't be
Try this.


Quit App Store
Use Activity Monitor to quit the following processes


storeaccountd
storeassetd
storedownloadd
storeinappd

On Terminal delete the following folders:


/Users/jj/Library/Caches/storeaccountd
/Users/jj/Library/Caches/storeassetd
/Users/jj/Library/Caches/storedownloadd
/Users/jj/Library/Caches/storeinappd

Restart app store and download!