Ant Video Downloader and Player has been blocked for your protection.

Why was it blocked?
Version 2.4.6.4 of the Ant Video Downloader and Player add-on is causing a very high number of crashes in Firefox. There's an updated version 2.4.6.5 that doesn't have this problem. All users are recommended to update as soon as possible.
Who is affected?
All Firefox users who have installed version 2.4.6.4 of the Ant Video Downloader and Player add-on.
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.