Flash: Grab the uninstaller from here: Uninstall Flash Player | Windows Uninstall Flash Player | Mac

Then reinstall the latest version.

Note: Windows users should download the active_x for Internet Explorer. and the plugin for Plugin-based browsers (like Firefox).

Note: Windows 8 and Windows 10 have built-in flash players and Adobe will cause a conflict. Install the plugin only. Not the active_x.

Flash Player Version: 24.0.0.194

https://get.adobe.com/flashplayer/ Direct link scans current system and browser Note: Other software is offered in the download. <Windows Only>

https://get.adobe.com/flashplayer/otherversions/ Step 1: Select Operating System Step 2: Select A Version (Firefox, Win IE . . . .) Note: Other software is offered in the download. <Windows Only>

See if there are updates for your graphics drivers https://support.mozilla.org/kb/upgrade-graphics-drivers-use-hardware-acceleration

Note that the System Details list shows that you have 2 Java plugins installed.

• Next Generation Java Plug-in 10.71.2 for Mozilla browsers
• Next Generation Java Plug-in 11.51.2 for Mozilla browsers

Make sure your Java (Not JavaScript) is up to date Verify Java and Find Out-of-Date Versions {web link}

Version 8 Update 111 Release date October 18, 2016 http://java.com/en/download/manual.jsp

Unless you actually need the Java Plugin for something you do in Firefox, you should consider setting the Plugin to click to play or deactivated until you need it or uninstall it on Windows.

Note the Java Plugin is not needed for JavaScript in Firefox to run. http://kb.mozillazine.org/JavaScript_is_not_Java

Actually, I have two instances of Java Platform SE and two instances of Java Deployment toolkit. Any reason I can't just delete the older ones of each, using the Windows control panel?