If you are mainly dealing with Win9x machines you might look at these posts.

http://www.kixtart.org/cgi-bin/ultimatebb.cgi?ubb=get_topic;f=2;t=003861

http://www.kixtart.org/cgi-bin/ultimatebb.cgi?ubb=get_topic;f=2;t=003867

From these threads you should note Lonkero seems to becoming our resident expert on this subject.
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Jack