MyEclipse在线安装maven插件报错，请大家指点下！解决方法

MyEclipse在线安装maven插件报错，请大家指点下！
MyEclipse_6.0.1GA_E3.3.exe
jdk 1.5.0.6

通过help->software updates 更新maven插件报错
Name：Maven2
URL：http://m2eclipse.sonatype.org/update/

错误信息：

Current configuration contains errors that are not corrected by the requested operation and more errors would be introduced. See details for more information.
  ----- Current configuration problems -----
  Resulting configuration does not contain the platform.
  ----- Configuration problems after the operation -----
  Resulting configuration does not contain the platform.
  Maven Integration for Eclipse (0.9.4.20080603-0114) requires feature "org.eclipse.platform (3.1.0)", or later version.
  Maven POM XML Editor (Optional) (0.9.4.20080603-0114) requires plug-in "org.eclipse.core.runtime".
  Maven Integration for AJDT (Optional) (0.9.4.20080603-0114) requires plug-in "org.eclipse.core.runtime".
  Maven Integration for WTP (Optional) (0.9.4.20080603-0114) requires plug-in "org.eclipse.core.runtime".
  Maven issue tracking configurator for Mylyn (Optional) (0.9.4.20080603-0114) requires plug-in "org.eclipse.ui".
  Maven SCM Integration (Optional) (0.9.4.20080603-0114) requires plug-in "org.eclipse.core.runtime".
  Maven SCM handler for Subclipse (Optional) (0.9.4.20080603-0114) requires plug-in "org.eclipse.ui".


------解决方案--------------------
去掉optional components下的第一个复选项框，应该OK了吧