Actual results:

* Installer can finish successfully but the exception is thrown.


Expected results:

* Installer finish successfully and no exception is thrown.


Stack trace:

java.io.IOException: Cannot run program "C:\Program": CreateProcess error=2, The system cannot find the file specified
        at java.lang.ProcessBuilder.start(Unknown Source)
        at java.lang.Runtime.exec(Unknown Source)
        at java.lang.Runtime.exec(Unknown Source)
        at java.lang.Runtime.exec(Unknown Source)
        at com.izforge.izpack.util.LibraryRemover.initJavaExec(LibraryRemover.java:144)
        at com.izforge.izpack.util.LibraryRemover.<init>(LibraryRemover.java:111)
        at com.izforge.izpack.util.LibraryRemover.invoke(LibraryRemover.java:129)
        at com.izforge.izpack.util.Librarian.cleanUp(Librarian.java:687)
        at com.izforge.izpack.util.Housekeeper.shutDown(Housekeeper.java:124)
        at com.izforge.izpack.installer.InstallerFrame.exit(InstallerFrame.java:1329)
        at com.izforge.izpack.installer.InstallerFrame$NavigationHandler.navigate(InstallerFrame.java:1800)
        at com.izforge.izpack.installer.InstallerFrame$NavigationHandler.access$100(InstallerFrame.java:1765)
        at com.izforge.izpack.installer.InstallerFrame$NavigationHandler$1.run(InstallerFrame.java:1782)
        at java.lang.Thread.run(Unknown Source)
Caused by: java.io.IOException: CreateProcess error=2, The system cannot find the file specified
        at java.lang.ProcessImpl.create(Native Method)
        at java.lang.ProcessImpl.<init>(Unknown Source)
        at java.lang.ProcessImpl.start(Unknown Source)
        ... 14 more