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Foolproof? Never
May 27, 2008

A participant in the Agilent VEE e-mail user group asked if there was a way to disable the infamous CTRL-ALT-DEL key combination on a PC. This prompted several replies from others asking why anyone would want to disable it. Apparently, the person asking is trying to figure out a way to keep test operators from interrupting a program's operation. In fact, this person started by asking if there is a way to disable the "X" in the upper-right corner of a window. VEE has a function for that, but this person was looking for a more foolproof way to prevent an operator from ending a program.

People replied "Remember, there's no such thing as fool-proof, as fools are so ingenious" and "Someone once said, you'll spend weeks make something idiot proof, and then someone will go and make a bigger, better idiot."

What have you done to make a test setup foolproof? Did it work? For how long? What did the "fool" do to get around your hard work. Remember, anyone can pull out a power cord and shut down a computer.

Posted by Martin Rowe on May 27, 2008 | Comments (2)


May 28, 2008
In response to: Foolproof? Never
Jonathan Williams commented:

Foolproof only to the extent to prevent somebody from absent-mindedly making a mistake. If someone deliberately wants to get around it, they will. Just try to make something soldier-proof or sailor-proof. Can't be done. On the other hand, it's much better to train and explain, then supervise. If someone is mis-using the system, then you fire them. When operators understand HOW and WHY, they are doing something, they now take ownership of the process and you will get better results.




May 28, 2008
In response to: Foolproof? Never
KEVIN GIARDINI commented:

Fool proof cost a little more and takes a little longer. I agree that there is no such thing as 'idiot proof'. It would not be economically feasible.





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