yea, tell us what is wrong with it. I dont think there is any known problems with tthe Zatch Bell rom. Try using a different emulator or update the one you currently have. if you dont give us facts about what the problem is, how can we help you?
http://www.trespassing.cc/ you\'ll have to register but it\'s quick
Then go to http://prdownloads.sourceforge.net/sevenzip/7z433.exe?download
For the program to unzip it
If you have any question U2U me