Labview 7.1 executable can't find mysql vi's

Hi,
I have a labview executable that was developed using Labview 7.1. It calls many vi's for mysql. The mysql vi's are in 2 or 3 LLB's. The program was compiled on a lap top and installed on a desktop computer with Windows XP. The program works great. Using the same installer I put it on a second desktop computer also running Windows XP. When I try and run the executable on the second computer, I get several error 21 messages about missing mysql vi's.
I have compared all the LLB and dll's and they are all seem to be the same version and located in the same directories. Also, I took the executable from the first computer and copied it onto the second computer. When I tried to run it, I got the same result.
Any suggestions would be greatly appreciated.
Thanks for your help.
Ken Merrithew
CPI Inc
Beverly, Mass

error 21

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