Firefox isn't finishing install on mac - creates blank icon in apps folder

I am installing Firefox on a Mac Book Pro. I downloaded it and installed following the directions. Then the box opened that shows the icon and the apps folder. I dragged the icon to the apps folder like it said and then ejected like it said to. But then when I go to applications to open Firefox, the icon fox doesn't show. Just a blank page. When I click on it, it opens that box that shows the fox icon and apps folder again, as well as the disk image, as if it never ejected. I've tried reinstalling and nothing works. What do I do? I really don't want to have to use Safari. :/
== This happened ==
Every time Firefox opened
== today when installing Firefox ==
== User Agent ==
Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_3; en-us) AppleWebKit/531.21.11 (KHTML, like Gecko) Version/4.0.4 Safari/531.21.10

Open the DMG file and drag to 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.
See [[Installing Firefox on Mac]]
See http://kb.mozillazine.org/Installing_Firefox#Mac_OS_X

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Firefox isn't finishing install on mac - creates blank icon in apps folder

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