Well, the program looks OK, but you don't say how you tried to run it.
That program is setup to run as a teleop program, so there are several steps to actually driving the robot.
1) You need to rung the Program Chooser on the NXT to select MVMS as the "teleop" program.
2) You need to either run the FCS (Field Control Software) to play a match with Teleop only (turn off autonomous), or you need to use the "Remote Control" aspect of Labview to run the match.
3) You need a connection to the robot: either USB, BT. or WiFi.
4) You need to motor controller connected to the correct NXT port and powered up. etc...
To see how to do all this.... (I'm going to get tired of typing this)... view the Webinar that steps you through the process....
http://www.tetrixrobotics.com/FTC/
Especially (but not only) Webinar 4.
Then if you have a problem, you can specify where that problem occurs.