Sorry about the issue. Can you try this in Chrome?
1) On your computer, open Chrome.
2) At the top right, click Menu Menu.
3) Choose Settings.
4) At the bottom, click Show advanced settings.
5) In the "Privacy section," click Content settings.
6) In the "Plugins" section, choose the option:
Run all plugin content: Chrome will run all up-to-date plugins.
E-mail firstname.lastname@example.org if this doesn't work.