At Ease set-up is not compatible

In the mac lab I teach in, At Ease is used to keep kids out of the sensitive system folders, etc.  On one of the computers, however, I cannot utilize the At Ease set-up utility to add, remove etc. application shortcuts to the At Ease menus.  The error message states that the version of At Ease installed on this computer is not compatible with this version of At ease administration.  It appears that At ease has been installed several times on this hard drive (these computers were not set-up by me, and the hard drives are rather messy); none of the installed At Ease programs has a set-up that will work.

How should I rectify this problem. Should I just trash all of the At ease files and preferences, and just install fresh?  My only fear is that when the computer starts up, it defaults to the At Ease menu; would uninstalling all the At Ease files affect the start-up?

Thanks.
loinclothAsked:
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weedCommented:
Theres a reason Apple abandoned AtEase. Its a mess. Is there any possibility you could wipe the drive clean and reinstall from scratch? Thats going to give you the best chances of fixing it. The biggest issue is that atease modifies your system file to FORCE atease to be used at startup. So even if you reinstal atease you may not get rid of the modified stuff in the system file. You could spend days picking at your current system trying to get it to work just right or you could spend a an hour doing a reinstall to get it really clean.
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JHausmannCommented:
1) Apple hasn't abandoned AtEase, they just call it MultipleUsers under OS9.

2)If, and it sounds like you do, you work for a school, look into getting funding for an application called "Foolproof" It allows the user to use the Mac as it was designed and allows the system administrator to control the files/directories/privelages. My children's elementary school uses it in their lab and it's flawless.

3) What version of AtEase are you attempting to work with?
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weedCommented:
Yes apple has abandoned AtEase. As youll notice Multiple Users and AtEase are 2 completely different beasts. They made the switch for compatibility and ease of use reasons.
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JHausmannCommented:
I'll agree to disagree.

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loinclothAuthor Commented:
"Wiping the drive clean and re-installing from scratch" is what I am trying to avoid doing if possible. Thanks for the insight and reassurance that At Ease really does suck, and it's not just my perception! If nobody can propose another answer short of wiping the drive clean, I'll have no problem awarding the points to weed.
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loinclothAuthor Commented:
The At Ease version number is 3.01 I believe.  I am posting this from home, but I feel fairly certain my memory serves me correctly.
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JHausmannCommented:
See if Apple still has 3.0.3 and try to install that.

You can attempt to do the following, to avoid doing a full reload. Find a system file from a lab machine that has the same OS running on it. Turn off AtEase on that machine. Then copy that system file to the problem machine. Remove the AtEase extension that floats in the system file. Remove the AtEase folder that floats in the system file. Reboot. Your machine should be AtEase free.
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weedCommented:
Ive found that playing the system shell game with Atease leads to trouble. The problem is that AtEase stores the password and a key in the system file. When things dont match up with your AtEase preferences youre sometimes unable to get OUT of AtEase which makes backing up a real pain.
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loinclothAuthor Commented:
JHausmann:

Your suggestion sounds feasible, but I need some clarification.  I have much more knowledge about wintel machines and am new to mac OS. You stated, "Turn off AtEase on that machine." How do I do that?

Also, you said, "Then copy that system file to the problem machine. Remove the AtEase extension that floats in the system file. Remove the AtEase folder that floats in the system file."  

So, I don't remove those items until *after* I copy the system file to the problem machine?

Thanks.
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JHausmannCommented:
You turn off AtEase by runnimg AtEase Setup on the machine in question. First dialog box you see, after running AtEase setup and providing the admin pword, will have a set of on/off radio buttons. Make sure it's set to "off". If you could do it on the problem machine, you wouldn't have to go thru the rest of this. :)

The sequence regarding file movement isn't that importantn as long as they are _all_ done.
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