If I have just upgraded to the current version, why do I get this message on my homepage? "URGENT! Your version of Firefox is no longer protected against online attacks. Get the upgrade - it's fast and free! "

Question

This message keeps appearing on my google home page no matter which upgrade is installed. this has occured for the last three upgrades. It also affects youtube and hotmail which keep telling me my browser is outdated even though I have just installed the current version. I am running xp pro on an old, slow Netvista.

Answer 1

Something that you have downloaded/installed on your system has affected your User-agent, which identifies your browser and version:
*Your user-agent reported with your question post:
**Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; '''''rv:1.9.2.14''''') Gecko/20110218 '''''Firefox/2.0.0.12'''''MEGAUPLOAD 1.0 ( .NET CLR 3.5.30729)
**Strongly suspect MEGAUPLOAD; un-install anything related to it.
***'''''rv:1.9.2.14''''' indicates Firefox 3.6.14
***'''''Firefox/2.0.0.12''''' indicates Firefox 2.0.0.12
*See: http://en.wikipedia.org/wiki/User_Agent
You can reset your user agent. Follow the instructions: https://support.mozilla.com/en-US/kb/Websites%20or%20add-ons%20incorrectly%20report%20incompatible%20browser
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'''Other issues needing your attention'''
The information submitted with your question indicates that you have out of date plugins with known security and stability issues that should be updated. To see the plugins submitted with your question, click "More system details..." to the right of your original question post. You can also see your plugins from the Firefox menu, Tools > Add-ons > Plugins.<br />
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*Next Generation Java Plug-in 1.6.0_23 for Mozilla browsers
**'''''Security update version 1.6.0_24 releases 2011-02-10'''''
#'''Check your plugin versions''': http://www.mozilla.com/en-US/plugincheck/
#*'''Note: plugin check page does not have information on all plugin versions'''
#'''Update the [[Java]] plugin''' to the latest version.
#*Download site: http://www.oracle.com/technetwork/java/javase/downloads/index.html (Java Platform: Download JRE)
#**'''''Be sure to <u>un-check the Yahoo Toolbar</u> option during the install if you do not want it installed.
#*Also see "Manual Update" in this article to update from the Java Control Panel in Windows Control Panel: http://support.mozilla.com/en-US/kb/Using+the+Java+plugin+with+Firefox#Updates
#* Removing old versions (if needed): http://www.java.com/en/download/faq/remove_olderversions.xml
#* Remove multiple Java Console extensions (if needed): http://kb.mozillazine.org
#*Java Test: http://www.java.com/en/download/help/testvm.xml