Are you switching between windriver and LabVIEW? I'm wondering if a C++ program is still running.
You can verify the LabVIEW version by going to Help->About FIRST Robotics Competition Software.
See the following post on the FIRST forums for different ways to verify the image version:
http://forums.usfirst.org/showthread.php?t=10811 I think the FRC Diagnostic Tool might do it too.