Codec extensions (malware) has been blocked for your protection.
- Why was it blocked?
- The set of extensions labeled as Codec, Codec-M, Codec-C and other names are malware being distributed as genuine add-ons.
If you think an add-on you installed was incorrectly blocked and the block dialog pointed you to this page, please comment on this blog post.
- Who is affected?
- All Firefox users who have installed any of these add-ons.
- 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.