Make sure your Java (Not JavaScript) is up to date '''[http://java.com/en/download/installed.jsp Verify Java and Find Out-of-Date Versions]''' {web link} Version 8 Update 60 Release date August 18, 2015

Does Firefox display an icon on the location/address bar that a pop-up is detected and possibly blocked? You can inspect and manage permissions for the domain in the currently selected tab via these steps: *Click the "[[Site Identity Button|Site Identity Button]]" (globe/padlock) on the location/address bar *Click "More Information" to open "Tools > Page Info" with the Security tab selected Go to the Permissions tab (Tools > Page Info > Permissions) to check the permissions for the domain in the currently selected tab. ---- Start Firefox in <u>[[Safe Mode|Safe Mode]]</u> to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem. *Switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance *Do NOT click the Reset button on the Safe Mode start window *https://support.mozilla.org/kb/Safe+Mode *https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes What security software do you have? Boot the computer in Windows Safe Mode with network support (press F8 on the boot screen) to see if that helps. *http://www.bleepingcomputer.com/tutorials/how-to-start-windows-in-safe-mode/ *http://www.7tutorials.com/4-ways-boot-safe-mode-windows-10