Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

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Mij stipescams. Wy sille jo nea freegje in telefoannûmer te beljen, der in sms nei ta te stjoeren of persoanlike gegevens te dielen. Meld fertochte aktiviteit mei de opsje ‘Misbrûk melde’.

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Dizze konversaasje is argivearre. Stel in nije fraach as jo help nedich hawwe.

I am being asked to download an update that I can not find on site.

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I have a menu pop up on my computer telling me there is a security update 5.01 that I should update immediately. However the window does not behave correctly, and I can find no mention of this security update on the Mozilla site. This pop up leads me to a site that says mozilla, but does not show the blue security color on the browser. Is this a dummy site, and is there a legitimate 5.01 update?

I have a menu pop up on my computer telling me there is a security update 5.01 that I should update immediately. However the window does not behave correctly, and I can find no mention of this security update on the Mozilla site. This pop up leads me to a site that says mozilla, but does not show the blue security color on the browser. Is this a dummy site, and is there a legitimate 5.01 update?

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If you have problems with updating or with the permissions then easiest is to download the full version and trash the currently installed version to do a clean install of the new version.

Download a new copy of the Firefox program and save the DMG file to the desktop

  • Trash the current Firefox application to do a clean (re-)install
  • 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.

I don't understand the relationship of this answer with the question I asked. Is there a security update 5.01, or is there not? Is the download legitimate or not?

Yes. There is a security update 5.0.1 that is specially meant or MAC. Windows an Linux users are not offered that update.

See:

Okay, where do I get that security update?

You can download the Firefox 5.0.1 version via the link that I posted above.