I having a weird behavior when my applet stops in a webbrowser
Exception in thread "SwingWorker-pool-1-thread-3" java.security.AccessControlException: access denied (java.lang.RuntimePermission modifyThread)
at java.security.AccessControlContext.checkPermission(AccessControlContext.java:374)
at java.security.AccessController.checkPermission(AccessController.java:546)
...