This is the problem described in bug 313700.
Try closing Firefox, deleting pluginreg.dat from the profile folder and starting again. > and plugin check lists it as vulnerable. > 1.6.0_31-b04-414 but my plugin version has not changed (with either update) The Java Preference app says I now have Java SE 6 Version > I just got a new Java update for Mac 10.7 (Java for OS X Lion 2012-002) this and the solution given in the related bug report: See the contributor forum discussion starting here: Upgrade your graphics drivers to use hardware acceleration and WebGL.Firefox support has ended for Mac OS X 10.6, 10.7 and 10.8.FF says Java Embedding Plugin 0.9.7.3 on mac out of date.Plugin Check gives wrong results for some Macs.Plugin check makes incorrect or misleading diagnosis about quicktime version on Mac OS X 10.6.4.PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4KPCFET0NUWVBFIHBsaXN0IFBVQkxJQyAiLS8vQXBwbGUvL0RURCBQTElTVCAxLjAvL0VO…
