新安装的eclipse 与从Google官网刚下的ADT冲突了 怎么解决？

eclipse给的details如下
Cannot complete the install because of a conflicting dependency.
Software being installed: Android DDMS 23.0.4.1468518 (com.android.ide.eclipse.ddms.feature.feature.group 23.0.4.1468518)
Software currently installed: Eclipse IDE for Java Developers 1.3.1.20100916-1202 (epp.package.java 1.3.1.20100916-1202)
Only one of the following can be installed at once:
Core Runtime 3.6.0.v20100505 (org.eclipse.core.runtime 3.6.0.v20100505)
Core Runtime 3.8.0.v20120912-155025 (org.eclipse.core.runtime 3.8.0.v20120912-155025)
Cannot satisfy dependency:
From: Android DDMS 23.0.4.1468518 (com.android.ide.eclipse.ddms.feature.feature.group 23.0.4.1468518)
To: org.eclipse.core.runtime 3.7.0
Cannot satisfy dependency:
From: Eclipse IDE for Java Developers 1.3.1.20100916-1202 (epp.package.java 1.3.1.20100916-1202)
To: org.eclipse.epp.package.java.feature.feature.group [1.3.1.20100916-1202]
Cannot satisfy dependency:
From: EPP Java Package 1.3.1.20100916-1202 (org.eclipse.epp.package.java.feature.feature.group 1.3.1.20100916-1202)
To: org.eclipse.platform.feature.group [3.6.1.r361_v20100909-9gF78GrkFqw7GrsZnvz0JWNTeb6fue6896L]
Cannot satisfy dependency:
From: Eclipse Platform 3.6.1.r361_v20100909-9gF78GrkFqw7GrsZnvz0JWNTeb6fue6896L (org.eclipse.platform.feature.group 3.6.1.r361_v20100909-9gF78GrkFqw7GrsZnvz0JWNTeb6fue6896L)
To: org.eclipse.rcp.feature.group [3.6.1.r361_v20100827-9OArFLdFjY-ThSQXmKvKz0_T]
Cannot satisfy dependency:
From: Eclipse RCP 3.6.1.r361_v20100827-9OArFLdFjY-ThSQXmKvKz0_T (org.eclipse.rcp.feature.group 3.6.1.r361_v20100827-9OArFLdFjY-ThSQXmKvKz0_T)
To: org.eclipse.core.runtime [3.6.0.v20100505]