I go to uninstall Zimbra Desktop (build 1083) and I get this error message:

an error occurred:

Java.lang.RuntimeException: The language "en_US" is not available.


then it gives path to an error log, and here are the contents:

Exception:

java.lang.RuntimeException: The language "en_US" is not available.
at com.install4j.runtime.installer.ContextImpl.setLan guageId(Unknown Source)
at com.install4j.runtime.installer.UninstallerContext Impl.getLanguageId(Unknown Source)
at com.install4j.runtime.installer.controller.Languag eSelector.initLanguage(Unknown Source)
at com.install4j.runtime.installer.controller.Control ler.start(Unknown Source)
at com.install4j.runtime.installer.Uninstaller.main(U nknown Source)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Nativ e Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknow n Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Un known Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.exe4j.runtime.LauncherEngine.launch(Unknown Source)
at com.exe4j.runtime.WinLauncher.main(Unknown Source)

System properties:

java.runtime.name=Java(TM) 2 Runtime Environment, Standard Edition
exe4j.moduleName=C:\zimbra\zdesktop\uninstall.exe
exe4j.processCommFile=C:\DOCUME~1\jwiggins\LOCALS~ 1\Temp\e4j_p5084.tmp
exe4j.semaphoreName=c:_zimbra_zdesktop_uninstall.e xe
sun.boot.library.path=c:\zimbra\zdesktop\jre\bin
java.vm.version=1.5.0_10-b03
java.vm.vendor=Sun Microsystems Inc.
java.vendor.url=http://java.sun.com/
exe4j.consoleCodepage=cp0
path.separator=;
java.vm.name=Java HotSpot(TM) Client VM
file.encoding.pkg=sun.io
user.country=US
sun.os.patch.level=Service Pack 3
install4j.exeDir=C:\zimbra\zdesktop\
java.vm.specification.name=Java Virtual Machine Specification
user.dir=C:\zimbra
java.runtime.version=1.5.0_10-b03
java.awt.graphicsenv=sun.awt.Win32GraphicsEnvironm ent
java.endorsed.dirs=c:\zimbra\zdesktop\jre\lib\endo rsed
os.arch=x86
java.io.tmpdir=C:\DOCUME~1\jwiggins\LOCALS~1\Temp\
line.separator=

java.vm.specification.vendor=Sun Microsystems Inc.
user.variant=
exe4j.tempDir=
os.name=Windows XP
sun.java2d.noddraw=true
sun.jnu.encoding=Cp1252
java.library.path=C:\zimbra\zdesktop;.;C:\WINDOWS\ system32;C:\WINDOWS;C:\zimbra\zdesktop\.\.install4 j;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System 32\Wbem;C:\Program Files\ATI Technologies\ATI.ACE\Core-Static;C:\Documents and Settings\Administrator\Desktop\putty.exe;C:\Progra m Files\Common Files\Crystal Decisions\2.5\Bin;C:\Program Files\QuickTime\QTSystem\;C:\Program Files\Common Files\SYSTEM\MSMAPI\1033;;C:\Program Files\Common Files\Ahead\Lib\;C:\Program Files\Common Files\Ahead\Lib\;C:\Program Files\Common Files\Ahead\Lib\;C:\Program Files\Common Files\Ahead\Lib\;c:\zimbra\zdesktop\jre\bin
java.specification.name=Java Platform API Specification
java.class.version=49.0
sun.management.compiler=HotSpot Client Compiler
exe4j.isInstall4j=true
os.version=5.1
user.home=C:\Documents and Settings\jwiggins
user.timezone=America/Los_Angeles
java.awt.printerjob=sun.awt.windows.WPrinterJob
file.encoding=Cp1252
java.specification.version=1.5
java.class.path=C:\zimbra\zdesktop\.install4j\i4jr untime.jar;C:\zimbra\zdesktop\.\.install4j\user.ja r;
user.name=jwiggins
java.vm.specification.version=1.0
java.home=c:\zimbra\zdesktop\jre
sun.arch.data.model=32
exe4j.launchName=C:\zimbra\zdesktop\uninstall.exe
user.language=en
java.specification.vendor=Sun Microsystems Inc.
awt.toolkit=sun.awt.windows.WToolkit
java.vm.info=mixed mode, sharing
exe4j.unextractedPosition=0
java.version=1.5.0_10
java.ext.dirs=c:\zimbra\zdesktop\jre\lib\ext
sun.boot.class.path=c:\zimbra\zdesktop\jre\lib\rt. jar;c:\zimbra\zdesktop\jre\lib\i18n.jar;c:\zimbra\ zdesktop\jre\lib\sunrsasign.jar;c:\zimbra\zdesktop \jre\lib\jsse.jar;c:\zimbra\zdesktop\jre\lib\jce.j ar;c:\zimbra\zdesktop\jre\lib\charsets.jar;c:\zimb ra\zdesktop\jre\classes
install4j.appDir=C:\zimbra\zdesktop\
java.vendor=Sun Microsystems Inc.
file.separator=\
java.vendor.url.bug=http://java.sun.com/cgi-bin/bugreport.cgi
sun.io.unicode.encoding=UnicodeLittle
sun.cpu.endian=little
sun.desktop=windows
sun.cpu.isalist=