I am running Peppermint 6 and Skype works fine for one on one calling but does not work for video calling. The people I am trying to video call with receive a message that I need to update Skype to a newer version but the Peppermint 6 updater says I have the latest version , 4.3.0.37. How can I fix this? Those other people say they are using version 7.---