The 6K uses a com6srvr.exe file for communication with software packages. There is a com6srvr.tlb file that is used with LabView and can be found in the LabView directory. This .TLB must come from the same version of Motion Planner as the .EXE file.
To replace it, simply delete the old one and copy the new one into its place. The latest copy of both of these files can be found on the Motion Planner CD or on our website under free software