Ubuntu 12.04 ROS Fuerte Gazebo install Problem

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Hi,

I have been trying to install ROS on several different computers now. I have also tried installing on multiple different Ubuntu systems, each time I get the following error when I try and start Gazebo using, roslaunch gazebo_worlds empty_world.launch.

process[gazebo_gui-3]: started with pid [16887]

/home/ncroscup/ros/simulator_gazebo/gazebo/scripts/gui: line 2: /home/ncroscup /ros/simulator_gazebo/gazebo/gazebo/bin/gzclient: No such file or directory

[empty_world_server-2] process has died [pid 16879, exit code 127, cmd /home/ncroscup/ros/simulator_gazebo/gazebo/scripts/gazebo /home/ncroscup/ros/simulator_gazebo/gazebo_worlds/worlds/empty.world __name:=empty_world_server __log:=/home/ncroscup/.ros/log/716587de-ca01-11e1-8ac1-90f652b11550/empty_world_server-2.log].

log file: /home/ncroscup/.ros/log/716587de-ca01-11e1-8ac1-90f652b11550/empty_world_server-2*.log

[gazebo_gui-3] process has died [pid 16887, exit code 127, cmd /home/ncroscup/ros/simulator_gazebo/gazebo/scripts/gui __name:=gazebo_gui __log:=/home/ncroscup/.ros/log/716587de-ca01-11e1-8ac1-90f652b11550/gazebo_gui-3.log].

log file: /home/ncroscup/.ros/log/716587de-ca01-11e1-8ac1-90f652b11550/gazebo_gui-3*.log

I followed instruction from the Ubuntu home site, http://www.ros.org/wiki/fuerte/Installation/Ubuntu

along with startup instructions of Gazebo from, http://www.ros.org/wiki/simulator_gazebo/Tutorials/StartingGazebo

I've looked for the errors and have come to the conclusion that it may be a driver issue, but I have tried several different video cards. Currently using Gefore 8600 GT, which is said to be compatible.

I'm starting to wonder if this actually works... should I downgrade to ros electric?

Very frustrated I've had to put so much time into this and still have no idea what to try next. It's been over a week of reinstalling on 3 different machines, and 5 different partitions... trying all possible issues I could think of... any suggestions? really would like to get this working.