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All versions of Marine Aquarium have used a technique called a Mutex, which is SUPPOSED to prevent a copy of the program from starting if another is already running. Somehow, you guys are able to get around this, but in looking through (Edgar's) code, I don't see how. The reason I asked if the same icon was being used to start the program is that the Mutex uses the internal name of the program to see if it's the same one that's already running. Previous versions, Beta versions, etc. have different internal names, so they would not be prevented from starting.
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