MP3Guard: This program is for musicians who want to sell or distribute mp3 files online. This program will encrypt your mp3 files. This includes an MP3 player for playing the MP3 files. Users cannot copy your files. This program is ideal for musicians who wish to sell mp3 files online. This program works, optionally, with ShareGuard to provide a lock and key system for selling mp3 files. 2 Basic Components: MP3Guard Producer - allows you tailor your MP3 player and to create your MP3 playlist. MP3Guard Player - this program and the encrypted mp3 files are distributed. Only the MP3Guard Player can decrypt the MP3 files. 3 Basic Security Features: MP3Guard Player - the MP3Guard playerr program will decrypt your MP3 files and play them to the user. The user cannot copy or save the MP3 files. MP3Guard User Encryption - the MP3Guard encrypts your MP3 files so that only the specified player program will be able to decrypt your MP3 and splay them to the user. ShareGuard (optional) - the ShareGuard program will check the licensing of the MP3 Files before allowing the program to run. If the user is not licensed then the MP3 Player will not play your MP3 playlist. This program allows for marketing of MP3 files and/or upselling other products by providing addtional marketing screens and/or AdWare programs to run with the MP3 Player. This provides a turnkey system to sell MP3 files online and ensure that only 1 user can listen to your playlist. The MP3Guard along with ShareGuard will prevent users from copying your material or re-distributing your MP3 files. This MP3Guard system can be used to sell MP3 files and promote your music. Use MP3Guard to protect your intellectual property.