XMind 无法打开/保存文件

最近在用Xmind做笔记，效率提高了很多，但渐渐地出现了一些难题，比如保存不了，只能强行关闭，重新打开的时候却出现以下提示：

点击关闭，进入Xmind 主页并双击最近编辑的Xmind 文件后，出现以下提示框

选择过报告给 XMind Ltd，填完邮箱就没下文了；

选择过关闭，然后恶性循环这几个截图

点击 从黑匣子找回以前的版本，还是提示运行时错误

错误日志如下：

发生了错误。请参阅错误日志以了解更多详细信息。

org.eclipse.core.commands.NotEnabledException: Trying to execute the disabled command org.xmind.ui.dialog.openBlackBoxDialog

at org.eclipse.core.commands.Command.executeWithChecks(Command.java:485)

at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:488)

at org.eclipse.e4.core.commands.internal.HandlerServiceImpl.executeHandler(HandlerServiceImpl.java:210)

at org.eclipse.ui.internal.handlers.LegacyHandlerService.executeCommand(LegacyHandlerService.java:353)

at org.xmind.ui.internal.utils.CommandUtils$1.run(CommandUtils.java:28)

at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)

at org.xmind.ui.internal.utils.CommandUtils.executeCommand(CommandUtils.java:23)

at org.xmind.ui.internal.editor.LocalFileWorkbookRef$LocalFileErrorSupportProvider$2.run(LocalFileWorkbookRef.java:228)

at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)

at org.xmind.ui.internal.editor.LocalFileWorkbookRef$LocalFileErrorSupportProvider.showBlackBoxView(LocalFileWorkbookRef.java:226)

at org.xmind.ui.internal.editor.LocalFileWorkbookRef$LocalFileErrorSupportProvider.access$0(LocalFileWorkbookRef.java:218)

at org.xmind.ui.internal.editor.LocalFileWorkbookRef$LocalFileErrorSupportProvider$1.linkActivated(LocalFileWorkbookRef.java:200)

at org.eclipse.ui.forms.widgets.AbstractHyperlink.handleActivate(AbstractHyperlink.java:228)

at org.eclipse.ui.forms.widgets.AbstractHyperlink.handleMouseUp(AbstractHyperlink.java:322)

at org.eclipse.ui.forms.widgets.AbstractHyperlink.access$2(AbstractHyperlink.java:306)

at org.eclipse.ui.forms.widgets.AbstractHyperlink$4.handleEvent(AbstractHyperlink.java:129)

at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)

at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4410)

at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1079)

at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4228)

at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3816)

at org.eclipse.jface.window.Window.runEventLoop(Window.java:818)

at org.eclipse.jface.window.Window.open(Window.java:794)

at org.xmind.ui.internal.editor.MindMapEditor.showError(MindMapEditor.java:713)

at org.xmind.ui.internal.editor.MindMapEditor.loadWorkbook(MindMapEditor.java:635)

at org.xmind.ui.internal.editor.MindMapEditor.access$1(MindMapEditor.java:585)

at org.xmind.ui.internal.editor.MindMapEditor$3.run(MindMapEditor.java:579)

at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)

at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:182)

at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4203)

at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3819)

at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.run(PartRenderingEngine.java:1121)

at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)

at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1022)

at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:150)

at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:687)

at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)

at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:604)

at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:148)

at org.xmind.cathy.internal.CathyApplication.start(CathyApplication.java:144)

at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)

at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)

at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)

at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:388)

at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:243)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:498)

at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:673)

at org.eclipse.equinox.launcher.Main.basicRun(Main.java:610)

at org.eclipse.equinox.launcher.Main.run(Main.java:1519)

Severity: error

Plug-in ID: org.eclipse.jface

Code: 0

== Environment ==

Time: 2016-11-24 23:26:55

XMind Distribution Pack: kimi_win32

XMind Build ID: R3.7.0.201611010032

Operating System: Windows 7 6.1 (x86)

Platform: win32.win32.x86

Language: zh

Country: CN

== Product ==

Product ID: org.xmind.cathy.product

Application ID: org.xmind.cathy.application

Launcher: XMind

Command Line Arguments: -os

 win32

 -ws

 win32

 -arch

 x86

 -showsplash

 -launcher

 E:\Yan\x-mind\XMind 8\XMind\XMind.exe

 -name

 XMind

 --launcher.library

 E:\Yan\x-mind\XMind 8\XMind\\plugins/org.eclipse.equinox.launcher.win32.win32.x86_1.1.400.v20160518-1444\eclipse_1617.dll

 -startup

 E:\Yan\x-mind\XMind 8\XMind\\plugins/org.eclipse.equinox.launcher_1.3.200.v20160318-1642.jar

 --launcher.overrideVmargs

 -configuration

 @user.home/Application Data/XMind/configuration-kimi_win32-R3.7.0.201611010032

 -data

 @user.home/Application Data/XMind/workspace-cathy

 -eclipse.keyring

 @user.home/Application Data/XMind/secure_storage

 E:\Yan\x-mind\XMind files\WordPress 建站.xmind

 -vm

 E:\Yan\x-mind\XMind 8\XMind\jre\bin\client\jvm.dll

VM Arguments: -Dfile.encoding=UTF-8

 -Xms128m

 -Xmx1024m

 -XX:MaxPermSize=256m

 -Djava.class.path=E:\Yan\x-mind\XMind 8\XMind\\plugins/org.eclipse.equinox.launcher_1.3.200.v20160318-1642.jar

== Java Properties ==

Java Version: 1.8.0_92

Java Vendor: Oracle Corporation

Java Runtime: Java(TM) SE Runtime Environment

    Version: 1.8.0_92-b14

Java VM: Java HotSpot(TM) Client VM

    Version: 25.92-b14

    Vendor: Oracle Corporation

    Info: mixed mode

请问各位有什么好的解决办法吗？求助   谢谢~