如題 解除安裝的時候會出現錯誤訊息 然後產生一個LOG檔 檔名是：install4jError2347593918531318642.log 因為不是學這方面的 看不懂內容 不知道該怎麼處理... 請網友幫忙 感謝 內容如下： 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.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 (x86)\JDownloader\JDUninstall.exe exe4j.processCommFile=C:\Users\D86012~1\AppData\Local\Temp\e4j_p4768.tmp exe4j.semaphoreName=c:_program files (x86)_jdownloader_jduninstall.exe sun.boot.library.path=c:\program files (x86)\common files\i4j_jres\1.6.0_27\bin java.vm.version=20.1-b02 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=TW sun.os.patch.level=Service Pack 1 install4j.exeDir=C:\Program Files (x86)\JDownloader\ java.vm.specification.name=Java Virtual Machine Specification user.dir=C:\Program Files (x86) java.runtime.version=1.6.0_26-b03 java.awt.graphicsenv=sun.awt.Win32GraphicsEnvironment java.endorsed.dirs=c:\program files (x86)\common files\i4j_jres\1.6.0_27\lib\endorsed os.arch=x86 java.io.tmpdir=C:\Users\D86012~1\AppData\Local\Temp\ line.separator= java.vm.specification.vendor=Sun Microsystems Inc. user.variant= exe4j.tempDir= os.name=Windows 7 sun.jnu.encoding=MS950 java.library.path=C:\Program Files (x86)\JDownloader\.\.install4j;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;c:\program files (x86)\common files\i4j_jres\1.6.0_27\bin java.specification.name=Java Platform API Specification java.class.version=50.0 sun.management.compiler=HotSpot Client Compiler exe4j.isInstall4j=true os.version=6.1 user.home=C:\Users\d86012005 user.timezone=Asia/Taipei java.awt.printerjob=sun.awt.windows.WPrinterJob file.encoding=MS950 java.specification.version=1.6 java.class.path=C:\Program Files (x86)\JDownloader\.install4j\i4jruntime.jar;C:\Program Files (x86)\JDownloader\.\.install4j\user.jar;C:\Program Files (x86)\JDownloader\.\.install4j\user\customCode.jar;;c:\program files (x86)\common files\i4j_jres\1.6.0_27\lib\deploy.jar;c:\program files (x86)\common files\i4j_jres\1.6.0_27\lib\plugin.jar user.name=d86012005 java.vm.specification.version=1.0 sun.java.command=C:\Program Files (x86)\JDownloader\JDUninstall.exe java.home=c:\program files (x86)\common files\i4j_jres\1.6.0_27 sun.arch.data.model=32 exe4j.launchName=C:\Program Files (x86)\JDownloader\JDUninstall.exe user.language=zh java.specification.vendor=Sun Microsystems Inc. awt.toolkit=sun.awt.windows.WToolkit java.vm.info=mixed mode, sharing exe4j.unextractedPosition=0 java.version=1.6.0_26 java.ext.dirs=c:\program files (x86)\common files\i4j_jres\1.6.0_27\lib\ext;C:\Windows\Sun\Java\lib\ext sun.boot.class.path=c:\program files (x86)\common files\i4j_jres\1.6.0_27\lib\resources.jar;c:\program files (x86)\common files\i4j_jres\1.6.0_27\lib\rt.jar;c:\program files (x86)\common files\i4j_jres\1.6.0_27\lib\sunrsasign.jar;c:\program files (x86)\common files\i4j_jres\1.6.0_27\lib\jsse.jar;c:\program files (x86)\common files\i4j_jres\1.6.0_27\lib\jce.jar;c:\program files (x86)\common files\i4j_jres\1.6.0_27\lib\charsets.jar;c:\program files (x86)\common files\i4j_jres\1.6.0_27\lib\modules\jdk.boot.jar;c:\program files (x86)\common files\i4j_jres\1.6.0_27\classes install4j.appDir=C:\Program Files (x86)\JDownloader\ 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=pentium_pro+mmx pentium_pro pentium+mmx pentium i486 i386 i86 --

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