MyEclipse9.0安装不了An error occurred while locating installed JREs.

报错如图片显示
an unexpected issue has occurred while attempting to perform the requested operation.
An error occurred while locating installed JREs.

我搜索到安装时产生的MyEclipse-support-2011-04-01-14-59-23.zip文件，里面的oneinstall.log文件日志如下：
2011-4-1 14:59:20 com.genuitec.pulse.installer.machine.internal.SequenceMachineImpl runSequence
信息: Running module [pulse.welcome] from sequence [oneinstall.installer.standard]
2011-4-1 14:59:22 com.genuitec.pulse.installer.machine.internal.SequenceMachineImpl runSequence
信息: Module [pulse.welcome] finished; proceeding to next module
2011-4-1 14:59:22 com.genuitec.pulse.installer.machine.internal.SequenceMachineImpl runSequence
信息: Running module [pulse.initialize.installer] from sequence [oneinstall.installer.standard]
2011-4-1 14:59:23 com.genuitec.pulse.installer.module.ui.progress.GenericProgressPage$GenericProgressJob run
信息: Running up to [20] processors; total work [1,166]
2011-4-1 14:59:23 com.genuitec.pulse.installer.module.ui.progress.GenericProgressPage$GenericProgressJob run
信息: Running processor [pulse.check.another.install.running]; work [10] of [1,166]
2011-4-1 14:59:23 com.genuitec.pulse.installer.processor.offline.locks.CheckAnotherInstallLockProcessor runWithErrorHandling
信息: No other install running; able to proceed
2011-4-1 14:59:23 com.genuitec.pulse.installer.module.ui.progress.GenericProgressPage$GenericProgressJob run
信息: Running processor [pulse.check.available.system.jres]; work [4] of [1,156]
2011-4-1 14:59:23 com.genuitec.pulse.client.common.fileutil.LibraryLoader loadLibrary
信息: Preparing to load jregistrykey from bundle com.genuitec.pulse.client.common.shortcut
2011-4-1 14:59:23 com.genuitec.pulse.client.common.fileutil.LibraryLoader loadLibrary
信息: Located concrete library jregistrykey_3213 from bundle com.genuitec.pulse.client.common.shortcut for pattern jregistrykey*.dll
2011-4-1 14:59:23 com.genuitec.pulse.client.common.fileutil.LibraryLoader loadLibrary
信息: Loaded required library jregistrykey_3213 from bundle com.genuitec.pulse.client.common.shortcut
2011-4-1 14:59:23 com.genuitec.pulse.installer.processor.ProcessorWithFatalErrorHandling run
严重: A fatal error was reported from com.genuitec.pulse.installer.processor.offline.initialize.CheckAvailableSystemJREsProcessor@2016b0
ca.beq.util.win32.registry.Win32Exception: 系统找不到指定的文件。
at ca.beq.util.win32.registry.RegistryKey.getValue(Native Method)
at com.genuitec.pulse.client.common.shortcut.PlatformServices.searchForVMs(Unknown Source)
at com.genuitec.pulse.client.common.shortcut.PlatformServices.getAvailableSystemJREs(Unknown Source)
at com.genuitec.pulse.installer.processor.offline.initialize.CheckAvailableSystemJREsProcessor.runWithErrorHandling(Unknown Source)
at com.genuitec.pulse.installer.processor.ProcessorWithFatalErrorHandling.run(Unknown Source)
at com.genuitec.pulse.installer.module.ui.progress.GenericProgressPage$GenericProgressJob.runProgressWithCancelBlocking(Unknown Source)
at com.genuitec.pulse.installer.module.ui.progress.GenericProgressPage$GenericProgressJob.run(Unknown Source)