I don't know why it does it, but you can stop it by adding the switch:
hideRootWindow=True
to your LabVIEW.ini file. (in your root LabVIEW directory)
"Stephen" wrote in message news:3B02FBE2.4AC3D0BC@swri.org...
> Why does LabVIEW put two buttons on my task bar when running?
>
> -Stephen