I just installed the 64-bit RHEL 4 AS on my machine at home (AMD X2 4800+) and I am trying to get the Flash Player plugin working. I think I might be fighting a losing battle because when I try to install it, I'm getting the following error message: Code: ERROR: Your architecture, \'x86_64\', is not supported by the Macromedia Flash Player installer. I browsed around on some other forums and they mentioned that you can install Flash on a 64-bit computer by going with a 32-bit browser. I looked into the installation script, and noticed that it is doing a uname -m (as can be seen below). Code: # check architecture TEMPARCH=`uname -m` case $TEMPARCH in i[3456]86) ARCH=i386 ;; *) exit_cpu $TEMPARCH ;; esac . . . . exit_cpu () { echo "" echo "ERROR: Your architecture, \'$1\', is not supported by the" echo " $PRODUCT installer." echo "" exit 1 } While I'm a newbie to Linux, I seriously doubt changing the browser would have any effect on the uname commands. Does anyone know if the source is available to compile for the x86_64 architecture (which I also doubt since it is most likely closed-source).