Mozilla explains why Firefox add-ons stopped working... and how to fix the problem

Since late last night, Firefox users have been plagued with a problem that meant no add-ons were working. Extensions were disabled and users were unable to re-enable them, causing confusion and frustrationaround the world. It turns out that that the reason Firefox add-ons stopped working is that a signing certificate expired. Having determined the cause of the problem, Mozilla has developed a fix for users of the desktop version of Firefox on the Release, Beta and Nightly channels. [UPDATE: Mozilla has released a new version of Firefox that fixes most problems for more users.] See also: Mozilla issues new Firefox… [Continue Reading]