Java site exceptions
I truly recommend you to try this quick resolution guide which worked for many users it takes only 3-5 minutes:
- Make sure you've updated your Java to tha latest version at: www.java.com
- Use Explorer or Firefox/Mozilla browsers.
Go to start à Control Panel and search "Java" in the search box:
Click the Java icon, in the settings window choose "Security" tap and click the "Edit Site List" button:
Add these URL's (one after another):
Restart your browser and try again.
When you'll open a puzzle you'll get this message – make sure you check the checkbox and click run.