hey guy I am kinda new to Ubuntu and I am having a few issues with mupen64. I looked on some other thread that I couldnt find after i signed up for a new account

Here is the script I used

cj@cj-Satellite-L305:~$ sudo sh /home/cj/Downloads/mupen64-0.5.tar.bz2
[sudo] password for cj:
/home/cj/Downloads/mupen64-0.5.tar.bz2: 1: /home/cj/Downloads/mupen64-0.5.tar.bz2: SY��j: not found
/home/cj/Downloads/mupen64-0.5.tar.bz2: 1: /home/cj/Downloads/mupen64-0.5.tar.bz2: BZh91AY: not found
/home/cj/Downloads/mupen64-0.5.tar.bz2: 14: /home/cj/Downloads/mupen64-0.5.tar.bz2: Syntax error: word unexpected (expecting ")")
cj@cj-Satellite-L305:~$