eclipse安装windowsbuilder时候出现问题：Cannot complete the install because one or more ...（如下）

题目

eclipse安装windowsbuilder时候出现问题：Cannot complete the install because one or more ...（如下）
Cannot complete the install because one or more required items could not be found.
Software being installed: SWT Designer XWT Support (requires Eclipse WTP/WST) 1.5.2.r37x201302112106 (org.eclipse.wb.xwt.feature.feature.group 1.5.2.r37x201302112106)
Missing requirement: WindowBuilder Core for XML GUI's 1.5.2.r37x201302111919 (org.eclipse.wb.core.xml 1.5.2.r37x201302111919) requires 'bundle org.eclipse.wst.sse.core 0.0.0' but it could not be found
Cannot satisfy dependency:
From: SWT Designer XWT Support 1.5.2.r37x201302112106 (org.eclipse.wb.xwt 1.5.2.r37x201302112106)
To: bundle org.eclipse.wb.core.xml 0.0.0
Cannot satisfy dependency:
From: SWT Designer XWT Support (requires Eclipse WTP/WST) 1.5.2.r37x201302112106 (org.eclipse.wb.xwt.feature.feature.group 1.5.2.r37x201302112106)
To: org.eclipse.wb.xwt [1.5.2.r37x201302112106]
请问怎么解决?

答案

because one or more required items could not be found,这个是告诉你多个重要文件缺失啊~安装包错误呗,重新下一个啊.