I had the same trouble at one time, turned out I needed to allow some more things in NoScript. Can you please follow Steps 1-3
of our Solving Technical Issues checklist (confirm you're using the latest non-test version of Firefox or Chrome; turn off all extensions, addons, and anti-virus; and clear your cache) to see if
one of those components is causing the problem? We can only help if we
can recreate your issue, so it is important that you follow all the steps. If doing that fixes the issue, just let us know. Otherwise, move on to Step 4 , and we'll need all that information, especially the console log, to further assist you.