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quick time plug in crashed

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I have the latest Firefox, and have uninstalled Quick time and installed VLC to play my midi files. It does not work either. I have even added the newest Quick time and it still won't play and still crashes. I have Windows 7 with all the latest updates.

I have the latest Firefox, and have uninstalled Quick time and installed VLC to play my midi files. It does not work either. I have even added the newest Quick time and it still won't play and still crashes. I have Windows 7 with all the latest updates.

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You will hear midi files play on several of my website pages just fine in Internet Exploder. www.cshannon1077.com

It used to work in older firefoxes (3 & 4). Not sure when it quit.