We suggest that you contact your company's IT department to determine if this is the case and ask if the port(s) can be unblocked.Norton Internet Security is a set of security tools that helps keep you safe online as you surf and email, swap files, download programs, and chat.
Any program that is designed to prevent "pop-up" ads from appearing while you browse the internet can cause problems in My CCRI and Blackboard.
The reason for this is that many of these "pop-up" ads use the web programming language Java.
Some popular pop-up killers include: Another site that can help you recognize some of the current pop-up blockers if they exist on your computer and tell you where it is: a pop-up blocker software is installed, you must let it know that My CCRI is safe and that the windows can pop-up.
If you still cannot view certain My CCRI windows, turn the pop-up software off.
This seems to happen with every applet I try, for example with every applet found here Tea-Web-Tests. Running Firefox from the terminal gives me some information: java version "1.7.0_75" Open JDK Runtime Environment (Iced Tea 2.5.4) (7u75-2.5.4-1~utopic1) Open JDK 64-Bit Server VM (build 24.75-b04, mixed mode) EDIT2: rerun with 'firefox -g', but didn't get much more information.