Isle slot solitaire freeze

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http://askubuntu.com – I have an intermittent problem with my computer freezing when I try to exit isle slot solitaire. When it first started, the only thing I could do is manually shut down my computer with the button on the front. Now, it escalated to the point where I just had to un-plug the machine. I have had no luck finding a fix at all (let alone one that is simple enough for a newbie)! Please help me with this problem! (HowTos)