i managed to fixed the issue by installing a JRE. I only had JDK's installed

Hi I installed FileBot on my Win7 64bit ultimate PC but it doesn't launch. if i try to launch it I get the following error: Dec 22, 2015 8:07:13 PM net.filebot.Main main SEVERE: Unexpected error during startup java.lang.IncompatibleClassChangeError at java.lang.invoke.MethodHandleNatives ...