Tried to download 16.0.1 but got following message: A newer version named Firfox.app (15.0) already exists in this location. Do you want to replace it with the

Hi Mazzy If there is an issue with update or permissions the better, quickest and safest way is to download and install firefox: 1. Download a copy of the latest firefox from http://www.mozilla.org/en-US/firefox/all.html 2. '''''Trash''''' the current Firefox application to do a clean install. 3. Install the version that you have downloaded. Do not select to remove your personal data, your profile data is stored elsewhere in the [http://kb.mozillazine.org/Profile_folder_-_Firefox Firefox Profile Folder], so you won't lose your bookmarks or other personal data. see also: [https://support.mozilla.org/en-US/kb/install-firefox-mac?redirectlocale=en-US&redirectslug=Installing+Firefox+on+Mac Installing Firefox on Mac] remember also Firefox 16 (and 16.0.1 of course) is the last version of Firefox that works with Mac OS X 10.5 : [https://support.mozilla.org/en-US/kb/firefox-no-longer-works-mac-os-x-10-5 Firefox no longer works with Mac OS X 10.5] thank you Please mark "Solved" the answer that really solve the problem, to help others with a similar problem.