[flexcoders] Files converted in Mac not recognizable

Hi I have a Flex-app MP3 uploader, which works fine in Windows-OS. But when I 'convert' some MP3 files in Mac using some Mac-app-converter, it says File not supported (custom err msg). Is it something to do with the file-extension, when converted in Mac-based-app? M not sure. How do I overcome

Re: [flexcoders] Files converted in Mac not recognizable

I'm confused where the error is occurring, several questions: - Is the Mac-app-converter giving you an error or is your FileUploader class giving it? - What is the FileUploader class in your code below, what's it doing? - What application are you using to convert the files on the Mac and what is