Hmmm, try deleting your cookies and temporary internet files. If you upgraded from a previous version of Firefox, it's possible that there is still an old holdout that was transferred over that is causing this.
STOP!! Your Browser is NOT Compatible
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A have a problem with logging out with Firefox as well, but there's some cookies I need to store.
I just did it. But the problem still exist.
Why I keep seeing this message every time I try to play live chess??
I have been using Firefox for years and the page says to me that I'm using Mozilla 1.9. Why is that?
Mi current version is Firefox 3.0.1 (Mozilla/5.0 (Windows; U; Windows NT 5.1; es-AR; rv:1.9.0.1) Gecko/2008070208 MEGAUPLOAD 1.0) over Windows XP SP3.