Safari 6.0 won't Play .m3u8 files under Mountain Lion

I have embedd some streaming video in my web page, but it won't play in Safari 6.0 under Mountain Lion 10.8.1.
The streaming video shows just fine on my iPad 3 and on my iPhone 4, and it shows just fine in Safari 5.1.7 when I boot up under an earlier system version. In 10.8.1, however, all I see is the black "loading" bar, but nothing ever happens.
Any help will be appreciated.

I am getting the same issue.
In the new Mountain Lion update 10.8.2 it says that it fixes safari so that you can have it automatically open safari and it will open all last windows.
I did the update, I don't have that option still under my general settings in safari, when someone else did the update and they have that option to reopen last windows when opening safari...help please

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Launch the Keychain Access application in any of the following ways:
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Click the column headed Kind in the list of keychain items to arrange the list by kind. Look for certificates that are expired or invalid. Delete any you find.

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Safari 6.0 won't Play .m3u8 files under Mountain Lion

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