The Community in more languages
Now the forum welcomes more languages.
You'll see a green translate button in comments and discussions to turn them into English
Try the following, it should fix the problem for you. Firstly make sure you clear your cache, check that your Java version is up to date, you can check everything here: https://www.whatismybrowser.com
If these steps do not work test the game in another browser such as Firefox or Chrome. King have made a really good video to help you troubleshoot these problems, check it out:
https://www.youtube.com/watch?v=OESCE4Jj2tU
Let us know how you get on