Neil,
In the CodeCalc directory there is a file called HHupd.exe. Executing this file will update the html help system on your computer. Do not do this if you are running Windows 2000. Theoretically, this problem should not occur on Win 2000, but you never know.
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Scott Mayeux
COADE Inc.
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Scott MayeuxCADWorx & Analysis Solutions
Intergraph Process, Power, & Marine