Skype extension has been blocked for your protection.

Why was it blocked?
This add-on causes a high volume of Firefox crashes and introduces severe performance issues. Please update to the latest version. For more information, please read our announcement.
Who is affected?
Users of Skype extension versions below for all versions of Firefox.
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.