DivX Web Player 1.4 (DivX 7) and below has been blocked for your protection.

Why was it blocked?
Old versions of the DivX Web Player plugin are causing significant stability problems on Firefox 18 and above, on Mac OS X. All users should update their DivX software to the latest available version, available at divx.com.
Who is affected?
All Firefox users who have versions of the DivX Web Player plugin lower than 1.4.
What does this mean?

Users are strongly encouraged to disable the problematic add-on or plugin, but may choose to continue using it if they accept the risks described.

When Mozilla becomes aware of add-ons, plugins, or other third-party software that seriously compromises Firefox security, stability, or performance and meets certain criteria, the software may be blocked from general use. For more information, please read this support article.