Windows EXE Creation

I get this error when i try to compile to exe :
[java]Windows EXE Creation
Copying 1 file to C:\Users\Mathieu\Documents\Eclipse Workspace\JM3 Workspace\Avling_Client
C:\Users\Mathieu\Documents\Eclipse Workspace\JM3 Workspace\Avling_Client\nbproject\launch4j-impl.xml:16:
net.sf.launch4j.BuilderException: Enter: JVM arguments
at net.sf.launch4j.Builder.build(Builder.java:77)
at net.sf.launch4j.ant.Launch4jTask.execute(Launch4jTask.java:111)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291)
at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
at org.apache.tools.ant.Task.perform(Task.java:348)
at org.apache.tools.ant.Target.execute(Target.java:392)
at org.apache.tools.ant.Target.performTasks(Target.java:413)
at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1399)
at org.apache.tools.ant.Project.executeTarget(Project.java:1368)
at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
at org.apache.tools.ant.Project.executeTargets(Project.java:1251)
at org.apache.tools.ant.module.bridge.impl.BridgeImpl.run(BridgeImpl.java:283)
at org.apache.tools.ant.module.run.TargetExecutor.run(TargetExecutor.java:541)
at org.netbeans.core.execution.RunClassThread.run(RunClassThread.java:153)
BUILD FAILED (total time: 2 seconds)
[/java]
It does that for all project even new ones

http://hub.jmonkeyengine.org/?s=Enter:+JVM+arguments

Ok but where are the : JVM parameter in Project Propreties? Thanks
Edit : Never mind found it.