Make sure you have the following updates:
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http://first.wpi.edu/Images/CMS/Firs...te20100107.exe
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http://joule.ni.com/nidu/cds/view/p/lang/en/id/1534
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http://decibel.ni.com/content/docs/DOC-8891
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http://joule.ni.com/nidu/cds/view/p/lang/en/id/1535
On both computers (development and classmate) as well as installing the DS update like so:
http://www.chiefdelphi.com/forums/sh...9&postcount=44
(Yes, install it, uninstall it [removing both components], and reinstall)
Make sure in Window->Preferences->FIRST Downloader Prefereces to set your team number and the location of the executable you're downloading.
Hope I was of help