I think that is your fault for how you installed it.the original Real Player are the most annoying software on the Planet.
it takes over everything and have a lot of popups so I you Real Alternative
Sage advice- the easy to use FFox Addon is FlashGot,Simple:
Just use firefox browser with it's video downloader add-on and you can download streaming and embedded video from just about any site. Then play them in any player of your choice, but by far and away the best player is the VLC player. It plays just about everything. Any more questions? :smile: