Exception: java.lang.ClassCastException: com.install4j.api.windows.WinRegistry$ExpandString cannot be cast to java.lang.String at com.install4j.runtime.installer.platform.win32.FileAssociations.getExecutable(Unknown Source) at com.install4j.api.windows.WinAssociations.getExecutable(Unknown Source) at com.install4j.runtime.beans.actions.desktop.CreateFileAssociationAction.uninstallWindows(Unknown Source) at com.install4j.runtime.beans.actions.desktop.CreateFileAssociationAction.uninstall(Unknown Source) at com.install4j.runtime.beans.actions.UninstallFilesAction.executeAutoUninstallActions(Unknown Source) at com.install4j.runtime.beans.actions.UninstallFilesAction.uninstall(Unknown Source) at com.install4j.runtime.installer.UninstallerContextImpl.performActionInt(Unknown Source) at com.install4j.runtime.installer.ContextImpl.performAction(Unknown Source) at com.install4j.runtime.installer.controller.Controller.executeActions(Unknown Source) at com.install4j.runtime.installer.controller.Controller.handleCommand(Unknown Source) at com.install4j.runtime.installer.controller.Controller.start(Unknown Source) at com.install4j.runtime.installer.Uninstaller.runInProcess(Unknown Source) at com.install4j.runtime.installer.Uninstaller.main(Unknown Source) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown 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) at com.install4j.runtime.launcher.WinLauncher.main(Unknown Source) System properties: java.runtime.name=Java(TM) SE Runtime Environment exe4j.moduleName=C:\Program Files\JDownloader\JDUninstall.exe exe4j.processCommFile=C:\DOCUME~1\user\LOCALS~1\Temp\e4j_p3892.tmp exe4j.semaphoreName=Local\c:_program_files_jdownloader_jduninstall.exe sun.boot.library.path=c:\program files\fichiers communs\i4j_jres\1.6.0_27\bin java.vm.version=23.3-b01 java.vm.vendor=Oracle Corporation java.vendor.url=http://java.oracle.com/ exe4j.consoleCodepage=cp0 path.separator=; java.vm.name=Java HotSpot(TM) Client VM file.encoding.pkg=sun.io user.country=FR user.script= sun.os.patch.level=Service Pack 3 install4j.exeDir=C:\Program Files\JDownloader\ java.vm.specification.name=Java Virtual Machine Specification user.dir=C:\Program Files java.runtime.version=1.7.0_07-b10 java.awt.graphicsenv=sun.awt.Win32GraphicsEnvironment java.endorsed.dirs=c:\program files\fichiers communs\i4j_jres\1.6.0_27\lib\endorsed os.arch=x86 java.io.tmpdir=C:\DOCUME~1\user\LOCALS~1\Temp\ line.separator= java.vm.specification.vendor=Oracle Corporation user.variant= exe4j.tempDir= os.name=Windows XP proxySet=false sun.jnu.encoding=Cp1252 java.library.path=C:\Program Files\JDownloader\.\.install4j;C:\Program Files\CCleaner;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\system32\wbem;C:\Program Files\Fichiers communs\Roxio Shared\9.0\DLLShared;C:\Program Files\Fichiers communs\Roxio Shared\DLLShared;C:\Documents and Settings\user\Local Settings\Application Data\Smartbar\Application;C:\Program Files\Satsuki Decoder Pack\Filtres;c:\program files\fichiers communs\i4j_jres\1.6.0_27\bin sun.awt.enableExtraMouseButtons=true java.specification.name=Java Platform API Specification java.class.version=51.0 sun.management.compiler=HotSpot Client Compiler exe4j.isInstall4j=true os.version=5.1 user.home=C:\Documents and Settings\user user.timezone=Europe/Paris java.awt.printerjob=sun.awt.windows.WPrinterJob file.encoding=Cp1252 java.specification.version=1.7 java.class.path=C:\Program Files\JDownloader\.install4j\i4jruntime.jar;C:\Program Files\JDownloader\.\.install4j\user.jar;C:\Program Files\JDownloader\.\.install4j\user\customCode.jar;;c:\program files\fichiers communs\i4j_jres\1.6.0_27\lib\deploy.jar;c:\program files\fichiers communs\i4j_jres\1.6.0_27\lib\plugin.jar user.name=user java.vm.specification.version=1.7 sun.java.command=C:\Program Files\JDownloader\JDUninstall.exe java.home=c:\program files\fichiers communs\i4j_jres\1.6.0_27 sun.arch.data.model=32 exe4j.launchName=C:\Program Files\JDownloader\JDUninstall.exe user.language=fr java.specification.vendor=Oracle Corporation awt.toolkit=sun.awt.windows.WToolkit java.vm.info=mixed mode exe4j.unextractedPosition=0 java.version=1.7.0_07 java.ext.dirs=c:\program files\fichiers communs\i4j_jres\1.6.0_27\lib\ext;C:\WINDOWS\Sun\Java\lib\ext sun.boot.class.path=c:\program files\fichiers communs\i4j_jres\1.6.0_27\lib\resources.jar;c:\program files\fichiers communs\i4j_jres\1.6.0_27\lib\rt.jar;c:\program files\fichiers communs\i4j_jres\1.6.0_27\lib\sunrsasign.jar;c:\program files\fichiers communs\i4j_jres\1.6.0_27\lib\jsse.jar;c:\program files\fichiers communs\i4j_jres\1.6.0_27\lib\jce.jar;c:\program files\fichiers communs\i4j_jres\1.6.0_27\lib\charsets.jar;c:\program files\fichiers communs\i4j_jres\1.6.0_27\lib\jfr.jar;c:\program files\fichiers communs\i4j_jres\1.6.0_27\classes install4j.appDir=C:\Program Files\JDownloader\ java.vendor=Oracle Corporation file.separator=\ java.vendor.url.bug=http://bugreport.sun.com/bugreport/ sun.io.unicode.encoding=UnicodeLittle sun.cpu.endian=little install4j.systemLanguage=fr sun.desktop=windows sun.locale.formatasdefault=true sun.cpu.isalist=