i installed the real player again as below
r066210:/home/habib # rpm -ivh RealPlayer10GOLD.rpm
Preparing... ########################################### [100%]
1:RealPlayer ########################################### [100%]
and when i tried to run it as the root and then as myslelf this it the output
r066210:/home/habib # realplay
Xlib: connection to ":0.0" refused by server
Xlib: No protocol specified
** ERROR **: Unable to open display
aborting...
/usr/bin/realplay: line 75: 28577 Aborted $REALPLAYBIN "$@"
r066210:/home/habib # exit
exit
habib@r066210:~> realplay
habib@r066210:~> realplay
http://www.rferl.org/realaudio/c21.ram
and after a long time a / appeared at the end and no play!
now what u think guys?... is it an error of installing or what..