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Firefox won't update. It downloads and says 'unable to verify the integrity of the incremental update', so it downloads the complete update package

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Firefox won't update. It downloads and says 'unable to verify the integrity of the incremental update', so it downloads the whole version. But this doesn't work. Even if I download using Safari it won't install.

Firefox won't update. It downloads and says 'unable to verify the integrity of the incremental update', so it downloads the whole version. But this doesn't work. Even if I download using Safari it won't install.

Additional System Details

Installed Plug-ins

  • -Gecko default plugin
  • Runs Java applets using the latest installed versions of Java. For more information: Java Embedding Plugin. Run version test: Java Information.
  • The QuickTime Plugin allows you to view a wide variety of multimedia content in web pages. For more information, visit the QuickTime Web site.
  • Shockwave Flash 10.0 r23
  • Musicnotes Viewer plugin 1.17.0 http://www.musicnotes.com
  • The Flip4Mac WMV Plugin allows you to view Windows Media content using QuickTime.
  • Plugin for viewing Sibelius(tm) music scores http://www.sibelius.com
  • iPhoto6

Application

  • User Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7

More Information

Mac Intel, OSX Leopard and Snow leopard

cor-el
  • Top 10 Contributor
  • Moderator
17530 solutions 158495 answers

See http://kb.mozillazine.org/Installing_Firefox#Mac_OS_X ..... Download a new copy of the Firefox program: http://www.mozilla.com/firefox/all.html Trash the current Firefox application to do a clean reinstall. Install the new version that you have downloaded. Your profile data is stored elsewhere in the Firefox Profile Folder, so you won't lose your bookmarks and other personal data.

See http://kb.mozillazine.org/Installing_Firefox#Mac_OS_X ..... Download a new copy of the Firefox program: http://www.mozilla.com/firefox/all.html Trash the current Firefox application to do a clean reinstall. Install the new version that you have downloaded. 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 and other personal data.