hbuilder启动不了，一直弹出错误日志，关键是项目也不翼而飞了

为什么今天我的hbuilder突然就启动不了了，还一直弹出错误日志，最可恨的是我开发几天的项目也不知去哪里，，可恨 可恨可恨！！！！

并附上日志：
!SESSION 2015-11-05 11:17:08.050 -----------------------------------------------
eclipse.buildId=unknown
java.version=1.7.0_51
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=zh_CN
Framework arguments: -ready -application com.aptana.commandline.launcher.LauncherApplication
Command-line arguments: -os win32 -ws win32 -arch x86 -ready -data C:\Users\KInG\AppData\Roaming\HBuilder\userprofiles\1044434750@qq.com -application com.aptana.commandline.launcher.LauncherApplication

!ENTRY org.eclipse.osgi 4 0 2015-11-05 11:17:09.519
!MESSAGE 应用程序错误
!STACK 1
java.lang.RuntimeException: Application "com.aptana.commandline.launcher.LauncherApplication" could not be found in the registry. The applications available are: org.eclipse.ant.core.antRunner, org.eclipse.equinox.app.error, org.eclipse.equinox.p2.director, org.eclipse.equinox.p2.garbagecollector.application, org.eclipse.equinox.p2.publisher.InstallPublisher, org.eclipse.equinox.p2.publisher.EclipseGenerator, org.eclipse.equinox.p2.publisher.ProductPublisher, org.eclipse.equinox.p2.publisher.FeaturesAndBundlesPublisher, org.eclipse.equinox.p2.reconciler.application, org.eclipse.equinox.p2.repository.repo2runnable, org.eclipse.equinox.p2.repository.metadataverifier, org.eclipse.equinox.p2.artifact.repository.mirrorApplication, org.eclipse.equinox.p2.metadata.repository.mirrorApplication, org.eclipse.equinox.p2.updatesite.UpdateSitePublisher, org.eclipse.equinox.p2.publisher.UpdateSitePublisher, org.eclipse.equinox.p2.publisher.CategoryPublisher, org.eclipse.help.base.infocenterApplication, org.eclipse.help.base.helpApplication, org.eclipse.help.base.indexTool, org.eclipse.ui.ide.workbench, org.eclipse.update.core.standaloneUpdate, org.eclipse.update.core.siteOptimizer.
at org.eclipse.equinox.internal.app.EclipseAppContainer.startDefaultApp(EclipseAppContainer.java:248)
at org.eclipse.equinox.internal.app.MainApplicationLauncher.run(MainApplicationLauncher.java:29)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:348)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:183)
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 org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:655)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:610)
at org.eclipse.equinox.launcher.Main.run(Main.java:1490)