"Application not supported on this system"

Running OS 10.4.7 on Mac Mini (not Intel). I am setting up a managed user and have several OS 9 apps that he needs access to. They are specialized analysis programs for which there is unlikely to be any upgrade. Some work great - OS 9 loads and the app starts right up. However, a couple give me this error: "You cannot open the applicaiton <name> because it is not supported  on this system." However, I can run it as system administrator. I've tried giving the managed user read & write access to the application folder and everything in it but it doesn't solve the problem. I am a non-Mac person and am getting really frustrated!

Thanks in advance for help.
GazawayAsked:
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mc1arkeConnect With a Mentor Commented:
Is it the application or the OS gives that error?

It baffles me that you say you can launch it as administrator (I assume you mean on OSX) but not a restricted user (does it launch as a standard user?). A couple of options are it is trying to access a hardware service which has some special support only available as admin, or it is trying to launch an app/service denied for a restricted user
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mc1arkeCommented:
The problem is likely to be the application trying to acces something in the classic system folder. Make sure the user has to option ticked to store their classic preferences in their home folder, and that they have read access to the classic extensions folder.
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GazawayAuthor Commented:
This suggestion sounded promising, but no joy. Same error, even after restarting Classic.
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GazawayAuthor Commented:
I've tried to submit two comments to this problem in the past few days, but they haven't been posted. This is another attempt.
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GazawayAuthor Commented:
Looks like it's working now.

What I tried to post earlier was that I determined that the user in question was corrupt. I deleted and recreated it and everything works now. Though mc1arke's comments sparked some ideas as to what to try, he/she didn't provide the actual solution. So the grade is B and all the points. Thanks, mc1arke, for helping me out!
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