Ah, the bane of my existence! It's caused more problems for users. After doing some research I found the following article that should help those who keep seeing that "security" warning. For our chatroom it's a false message and to make it go away permanently take a look at this link and follow the instructions (there are pictures to help with the navigation of stuff; look for the section entitled
Always activate Java for a site):
http://support.mozilla.org/en-US/kb/...s-been-blocked