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I keep getting the message firefox.exe is not a valid Win 32 application? This is after I updated Mozilla to newest version and re-started my computer.

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Do you think I need more memory on my computer? I am going to be installing 2G of memory today as I currently don't have any free memory.

Do you think I need more memory on my computer? I am going to be installing 2G of memory today as I currently don't have any free memory.

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Do a clean reinstall.

Download a fresh Firefox copy and save the file to the desktop.

  • Uninstall your current Firefox version.
  • Do not remove personal data when you uninstall the current version.

Remove the Firefox program folder before installing that newly downloaded copy of the Firefox installer.

  • It is important to delete the Firefox program folder to remove all the files and make sure that there are no problems with files that were leftover after uninstalling.

Your bookmarks and other profile data are stored elsewhere in the Firefox Profile Folder and won't be affected by a reinstall, but make sure that you do not select to remove personal data if you uninstall Firefox.