Repro Steps
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Open the Game
Play (not sure if length of play matters)
Close browser window
Expected Behavior
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Game window closes quickly and life goes on
Actual Behavior
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First the internet program (Safari 5), then the OS (Mac 10.6.3) become unresponsive and slow. All programs must be force quit and reopened to use the computer. The next time flash is loaded, it crashes nearly instantly