Yahoo seems to load with no style, but loads correctly in a private window. How can I fix this behavior? FF20.0.1

Since FF20, yahoo.com and yahoo mail come appearing as if she does not use any style page. The logon fails. However, when I use a new private window, all is well for this web site (even if no link didn't get marked as visited - as expected).

I would have maybe some preference switched or such? A search on the web these last shows no similar problems...

Thank you.

The instructions above have solved the problem. I finally had to disable Mozilla Labs: prospector - subject: trackers 2.

I forgot this experience. Now it's over and the sites are restored.

Thank you!

Tags: Firefox

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