How to prevent Adobe Flash plugin from crashing on Firefox?

To prevent Adobe Flash plugin from crashing on Firfox you should first upgrade your Adobe Flash plugin to the latest version. The newer versions usually perform better and crash less. Go to Mozilla’s plugin check page at https://www.mozilla....US/plugincheck/ to check if your Flash player needs updating. You should also make Update Firefox whenever there’s a new update. To check if your Firefox is updated go to the Firefox button at the top of the window, and the about Firefox window will display and start checking for updates, if there are updates they’ll be downloaded and you can install them by clicking on restart.