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Firefox is unable to update itself

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  • Last reply by philipp

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For several months Firefox has been regularly reporting that it is unable to update itself. It has not successfully updated itself in this period. Today for example About firefox reported version 45.0, and said it was uo to date. The download page has 45.0.1, which I've manually updated to. I have had to do this regularly.

I am on Windows 7 pro with all patches. Firefox is set to download and notify me about updates, Java is not installed, Flash is set to ask first, pop-ups are set to ask first. New windows open new tabs.

The only extension is the Google Analytics Opt-out Browser Add-on

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hi, you have a user.js file present in your firefox profile which is often used by adware/malware to override particular firefox preferences. please try these steps:

  1. refresh firefox (this will keep your bookmarks and passwords)
  2. run a full scan of your system with different security tools like the free version of malwarebytes and adwcleaner to make sure that adware isn't present in other places of your system as well.

Troubleshoot Firefox issues caused by malware