In this version whenever I am trying to choose "wind pressure against elevation " option , it is not getting active. In the sense "the option- wind velocity against elevation can not be changed to option of"wind pressure against elevation". Am I making some error?
Sunil

This was corrected in the build of 040120 (Jan 20, 2004). Please download the latest build from this website and this problem will be resolved.

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Daer Richard,
Thanks for the reply. I have done the needful by downloading necessary file from web. I was surprised at one thing. I am working for one consultancy in India who was supplied with version 4.5 by Klg Systel in June 2004. But the build supplied was dtd. Nov. 2003. Why did they not supply latest build ? Any clues?
Regards,
Sunil

No clues. I'm actually a bit surprised that any of our dealers would have "old" CDs. Typically we don't supply extras for just this reason.