If you are using the plugin check page then it is a bit behind on current versions and needs to be updated as I think it currently says the older 15.0.0.2'''39''' is current for Windows/Mac. It is not disabling it incorrectly as the 15.0.0.2'''39''' is not the latest Flash 15 version as 15.0.0.2'''42''' and older is blocked and vulnerable. The 15.0.0.2'''46''' is not affected though according to Adobe. The plugin check page needs to be manually updated so the version it says is current may not be say for Flash. Check Flash version at http://www.adobe.com/software/flash/about/ For Firefox on Windows the current Flash player versions are 16.0.0.235 and the extended support version 13.0.0.259 at https://www.adobe.com/products/flashplayer/distribution3.html Flash Player Plugin 10.3.183.66 to 15.0.0.242 (click-to-play) has been blocked for your protection. https://addons.mozilla.org/firefox/blocked/p794 https://helpx.adobe.com/security/products/flash-player/apsb14-27.html