i hope can getting an answer in dutch.. but today, its not possible to play. I make an update whit java, and try webstart. But thats not the prblem. Iam using ie11. Last week i have the same troubles. And a friend wass helping me, when i can play. But this time, he can't fix it... :- Everytime i start, i see the follow screen: Failed to validate certificate. The application will not be executed .... When i click on the details, its not possible to get a other option than close the screen.. The strange off this part off the story is that 4 hours earlier, there where no troubles and i can play, logg my pc out, restart, no problems att all. And then 4 hours later, just like last week.. gett this problems.. So can help you me ?