Can't watch videos from any website and video sites disable the browser.

I either get a black or white square and error messages. Uninstall/reinstall FF and add ons are all to date. Analyses of virus came up with nothing. Don't know what to do next.

You have installed Flash plugin?

You can find the latest version of the Flash player for Firefox on this page.

First of all, you can try to upgrade to the latest version of Flash 11.3.300.262.
If you do not have Flash 11.3 to work, you can try to return to 11.2 Flash.
You can download Player Flash 11.2 through this direct link:

You must uninstall version 11.3 Flash if you switch to Flash.

Tags: Firefox

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