Yahoo Application State Plugin (SeaMonkey) has been blocked for your protection.

Why was it blocked?

This plugin causes a high volume of Firefox and SeaMonkey crashes.

Who is affected?

Users of all versions of Yahoo Application State Plugin for Firefox 3 and later. Users of all versions of Yahoo Application State Plugin for SeaMonkey 1.0.0.5 and later.

What does this mean?

The problematic add-on or plugin will be automatically disabled and no longer usable.

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.