That is Not a Mozilla sent file. . '''Whenever you get a message / popup that''' '''software / files need to be updated;''' <u>'''DO NOT USE ANY OF'''</u> <u>'''THE PROVIDED LINKS'''</u> While this may be a legitimate message, it could also be <u>'''Malware or a Virus'''</u>. Anytime you want or need to check for upgrades, go to the website of the <u>'''True Owner'''</u> of the program in question. For example, to check out Firefox, go to '''https://www.mozilla.org''' {web link} You can report such a site at; '''[http://www.google.com/safebrowsing/report_phish/ Google Report Phishing Page]''' {web link} which is the same when done while on site by going to '''Help > Report Web Forgery''' '''[http://www.mozilla.org/en-US/legal/fraud-report/ Help us safeguard Mozilla’s trademarks by reporting misuse]''' {web link} For almost a year, an epidemic of '''Fake Update Notices''' have been popping up all over the place. https://support.mozilla.org/en-US/kb/forum-response-i-found-fake-firefox-update