Greg,
I am guessing that you are using Window's Media Player as the associated application to open the MP3 from this site. I had the same trouble when trying to play MP3's from FRee Pro Hosting. Meidal player didn't seem to have trouble playing MP3's from other sources, just Free Pro Hosting. Anyway, I downloaded Winamp and installed it. Be careful when you do the installation of of how it associates itself with all of your other media file types such as .wav,.au,.mpegs etc.... It gives you choices as to what it will automaticall play. If you are not careful it will associate itself with ALL the media types on your hard drive. This problem can be recovered from but if you are carefull on installation you shouldn't have any problem. All I allowed it to be associated with is MP3 files. Anyway Winamp seems to be happy with these MP3 files from Free Pro Hosting. So at least that solved my problem hope it does yours also.
Tom Kneib
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