如何卸载旧版的ZEND？？

原来的太旧了

2.0的

现在有的程序旧版不支持了，所以想升级到最新版

但是直接安装新版出错

This program makes use of the Zend Scripting Language Engine:
Zend Engine v2.2.0, Copyright (c) 1998-2007 Zend Technologies


旧版，用探针的结果

上面的信息显示，是没有安装zend

9494，装了显示是这样的（第三行不用管）
This program makes use of the Zend Scripting Language Engine:
Zend Engine v2.2.0, Copyright (c) 1998-2008 Zend Technologies
    with eAccelerator v0.9.5.3, Copyright (c) 2004-2006 eAccelerator, by eAccelerator
    with Zend Extension Manager v1.2.0, Copyright (c) 2003-2007, by Zend Technologies
    with Zend Optimizer v3.3.3, Copyright (c) 1998-2007, by Zend Technologies