This is very similar to the "error 1322 installing labview 6.0.2 professional" problem. A solution has been posted for it.
Also please install the LabVIEW 6.0.2 upgrade if haven't already done so. Run setup.exe from ftp://ftp.ni.com/support/labview/windows/updates/6.0.2/
S.D.Dharshan
Staff Software Engineer, NI-VISA
National Instruments