Help My MP3 file sharing with my stereo please!!!!!!!!!

i have a new stereo and it allows u to play your music from your computer onto the stereo. i installed the driver for this and musicmatch on my computer and it worked fine then i delted music match and then it stopped working so i re-downloaded it and it starts working whenever it wants to. sometimes it does work and sometimes it doesnt, so whats wrong??

Windows XP

 

You need to explain what you are trying to do a lot better.
MP3 sharing with what? your computer?
How did you delete Musicmatch?
Driver for what?
What is this UACB355? is this the stereo showing in Windows?
What version of windows?