>My client use a NT 4 server. Some thing append on the server. Now when you are in explores and go in properties of a directory, tab security, you cannot click on the permission button. I think it a path problem.
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>Any one know what is the program name and path when you click on the permission button of the directory properties/security?
I've seen that before. I believe it was back again after a reboot. Did you try it?
If that doesn't work, you may try to reassign the rights to the administrator on that branch.