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03/31/05 11:31am

Installation issues are dealt with by Technical Support. They can be reached at

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>When I run the install script, it appears to create the appropriate directories, symbolic links, etc ; however, when I invoke the program I get a message that states "illegal instruction."
Can anyone tell me what I am doing wrong?>I wanted to install mathematica 5.1 for students on an older machine running Windows ME. The installation runs fine, but right before the point where I have to enter my License# & password,Mathematica opens up my connection to MSN (microsoft network-trayclnt.exe).
If I choose to skip the registration process, for the moment, mathematica will not run unless I close trayclnt.exe. Is this an ME issue or a new idosyncracy in 5.1 (the last version I purchased was 4.0).

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