I manage to get it to work by creating the directry structure java_home. is where the i report has been installed. Copy the jre7 into that dirrectry. If you dont have it you can downolad it from oracle website. create an enviroment variable pointing to java_home http://www.itcsolutions.eu/2010/11/29/set-environment-variables-in-windows-7-for-java/ . save and enjoy.