I am running Imac OS X 10.2 Jauguar, and I can't open the mpeg files I download from Limewire. The quicktime player does not have software needed to open these files. Is there any solution or am I wasting my time.

PS: My downloads are fast enough for me and I get what I am looking for when I search, but those MPEG's have me about ready to uninstall and check somewhere else!!!!