Flash player constantly updating
An "Activate Adobe Flash" prompt on pages with Flash content could either mean that the Flash plugin is set to "Ask to Activate" in the Add-ons manager or that Firefox has prevented an unsafe Flash version from running automatically.
Click on the "Activate Adobe Flash" message to allow the Flash content to load (if it doesn't, reload the page and try again).
Flash Player 10 and later can use your system’s graphics hardware to accelerate video decoding.
Flash Player 10.2 and later can also accelerate video presentation on some sites, accelerating all aspects of video playback.
Mac users who primarily browse the web with Safari will eventually notice the “Flash out-of-date” message appearing somewhere in the browser.
Apple makes no representations regarding third-party website accuracy or reliability.
Software giant Adobe is urging Flash users to download a software patch after the discovery of flaw that could be exploited by hackers.