error when building my VI to DLL in LV6.1

[gpibssx]

pls see the attachment! It's the error display when building my VI to DLL in LV6.1. My lv is PDS Version and i tried reinstall Application Builder , but the same error occurs. How can i resolve it? Thanks a lot!

[JellyBeans]

Goto
..\National Instruments\LabVIEW 6.1\applibs\lvdllbuilder

and double click lvdb.exe. It will run (you will not see anything), registering itself. After running, you might want to goto Task Manager and kill lvdb.exe process manually. Try it now.

A Rafiq