I'm one of the thousands who've allowed mozjs.dll to be deleted as commanded by malware checker. How do I get it back?

Need to reinstall mozjs.dll

Hi nasheagle-
I would recommend uninstalling and reinstalling a fresh version of the latest Firefox to get the .dll back. Here are the steps:
• Get the latest: http://www.mozilla.org/en-US/firefox/new/
• 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.
Hope that helps!

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