Recent answers to The browser you're using refuses to sign in. (cookies rejected) How do I fix this?https://support.mozilla.org/en-US/questions/8315882011-06-07T17:56:20-07:00See:
http://kb.mozillazine.org/Cookies
http://kb.mozillazine.org/Websites_report_cookies_are_disa2011-06-07T17:56:20-07:00cor-elhttps://support.mozilla.org/en-US/questions/831588#answer-195929<p>See:
</p>
<ul><li> <a href="http://kb.mozillazine.org/Cookies" rel="nofollow">http://kb.mozillazine.org/Cookies</a>
</li><li> <a href="http://kb.mozillazine.org/Websites_report_cookies_are_disabled" rel="nofollow">http://kb.mozillazine.org/Websites_report_cookies_are_disabled</a>
</li></ul>
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<p>There are other things that need your attention.
</p><p>Your above posted system details show outdated plugin(s) with known security and stability risks that you should update.
</p>
<ol><li> Shockwave Flash 9.0 r45
</li><li> Next Generation Java Plug-in 1.6.0_23 for Mozilla browsers
</li></ol>
<p>You can check if there is a file NPSWF32.DLL in the C:Program FilesMozilla Firefoxplugins folder and remove that file.<br>
Update the <a href="/en-US/kb/keep-flash-up-to-date-and-troubleshoot-problems" rel="nofollow">Flash</a> plugin to the latest version.
</p>
<ul><li><a href="http://kb.mozillazine.org/Flash" rel="nofollow">http://kb.mozillazine.org/Flash</a>
</li><li><a href="http://www.adobe.com/software/flash/about/" rel="nofollow">http://www.adobe.com/software/flash/about/</a>
</li></ul>
<p>Update the <a href="/en-US/kb/use-java-plugin-to-view-interactive-content" rel="nofollow">Java</a> plugin to the latest version.
</p>
<ul><li><a href="http://kb.mozillazine.org/Java" rel="nofollow">http://kb.mozillazine.org/Java</a>
</li><li><a href="http://www.oracle.com/technetwork/java/javase/downloads/index.html" rel="nofollow">http://www.oracle.com/technetwork/java/javase/downloads/index.html</a> (Java Platform: Download JRE)
</li></ul>