Error running binding compiler

I'm triying to run an Ant task in my Laptop, these are the spec of it:
OS: Windows 7 Ultimate 32 Bit.
Processor: Pentium(R) Dual-Core CPU T4200 @ 2.00GHz.
Ram: 3gb
Ant version: 1.7.1

I'm receiving this error:
     [bind] java.io.FileNotFoundException:
(The requested operation cannot be performedon a file with a user-mapped section open)
     [bind]     at java.io.FileOutputStream.open(Native Method)
     [bind]     at java.io.FileOutputStream.<init>(FileOutputStream.java:179)
     [bind]     at java.io.FileOutputStream.<init>(FileOutputStream.java:131)
     [bind]     at org.jibx.binding.classes.ClassFile.writeFile(ClassFile.java:1947)
     [bind]     at org.jibx.binding.classes.MungedClass.fixChanges(MungedClass.java:377)
     [bind]     at org.jibx.binding.Compile.handleOutput(Compile.java:159)
     [bind]     at org.jibx.binding.Compile.compile(Compile.java:316)
     [bind]     at org.jibx.binding.ant.CompileTask.execute(CompileTask.java:248)
     [bind]     at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
     [bind]     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     [bind]     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
     [bind]     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     [bind]     at java.lang.reflect.Method.invoke(Method.java:597)
     [bind]     at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
     [bind]     at org.apache.tools.ant.Task.perform(Task.java:348)
     [bind]     at org.apache.tools.ant.Target.execute(Target.java:357)
     [bind]     at org.apache.tools.ant.Target.performTasks(Target.java:385)
     [bind]     at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1337)
     [bind]     at org.apache.tools.ant.Project.executeTarget(Project.java:1306)
     [bind]     at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
     [bind]     at org.apache.tools.ant.Project.executeTargets(Project.java:1189)
     [bind]     at org.apache.tools.ant.Main.runBuild(Main.java:758)
     [bind]     at org.apache.tools.ant.Main.startAnt(Main.java:217)
     [bind]     at org.apache.tools.ant.launch.Launcher.run(Launcher.java:257)
     [bind]     at org.apache.tools.ant.launch.Launcher.main(Launcher.java:104)
     [bind]
     [bind]