hello anne, you already appear to have the latest version of firefox installed - these popups are probably a scam tactic trying to trick you into installing more malware, so don't download or execute this kind of stuff! only download firefox from its official location at mozilla.org - in addition updates are handled automatically by firefox so you don't have to download or execute any .exe files (you can initiate a check for ''updates in firefox > help > about firefox''). if you're getting pages opening unrequested this is also a sign of malicious software already active on your machine. please perform the following steps # [[Reset Firefox – easily fix most problems|reset firefox]] (this will keep your bookmarks and passwords) # afterwards go to firefox > addons > extensions and in case there are still extensions listed there, disable them. # finally run a full scan of your system with different security tools like the [http://www.malwarebytes.org/products/malwarebytes_free free version of malwarebytes] and [http://www.bleepingcomputer.com/download/adwcleaner/ adwcleaner] to make sure that adware isn't present in other places of your system as well. [[Troubleshoot Firefox issues caused by malware]]

Hello, FIrst scan your computer, this pages can be malwares, addons, etc: *[https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-caused-malware Problems caused by malwares] Verify if this happens in safe mode: *[https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode Firefox in safe mode] You also can use addon to block popup/ads pages: *[https://addons.mozilla.org/en-US/firefox/addon/simple-adblock Simple Adblock] *[https://addons.mozilla.org/en-US/firefox/addon/adblock-plus Adblock Plus] *[https://addons.mozilla.org/en-US/firefox/addon/adblock-plus-pop-up-addon Adblock Plus Pop-up Addon] *[https://addons.mozilla.org/en-US/firefox/search/?q=adblock More Results] Upgrade Firefox only from oficial page: *[http://www.mozilla.org/en-US/firefox/new/ Last Firefox]