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Can not download FF 3.6:4

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When I try and drag the FF icon into the folder I get a message "The operation can not be completed because you do not have sufficient privileges for some of the items." This is on a Mac and I am downloading from the Mac icon

When I try and drag the FF icon into the folder I get a message "The operation can not be completed because you do not have sufficient privileges for some of the items." This is on a Mac and I am downloading from the Mac icon

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Which version of Mac OSX do you have?

Firefox 2.0.0.20 is the last ever release for Mac OSX 10.3.9 and earlier versions. Get it here: http://download.mozilla.org/?product=firefox-2.0.0.20&os=osx&lang=en-US