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Firefox 8.0.1-4.dmg - downloads - could not be opened. Quick Time Layer cannot open files in the "Disk Image" Format - What do I need to do?

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debanddon
debanddon
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I get the above message when I try to download Firefox updates.

I get the above message when I try to download Firefox updates.

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cor-el
cor-el
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That is a disk image file and you can't open that in an application.
Make sure that Firefox gets installed properly.
Open the Firefox disk image (DMG) file with a double-click if necessary and drag the Firefox program to the application folder on your hard drive.
You shouldn't double-click the Firefox application to run it from the disk image, but drag it out of the DMG folder instead.