check where your Java is installed (!not system32 !) - depending on OS Bit version it should be at
C:\Program Files\Java\jre7\bin\
or
C:\Program Files (x86)\Java\jre7\bin\
post the path please - info on OS and Bit version would help too ...
another suggestion would be deleting haven.jar in your Ender folder and run updater.jar again so that it gets fetched again (don't confuse haven.jar with haven-res.jar)