致命错误:类“COM”没有在E:\服务器\wwwroot\PHPWebAdmin\初始化。php在13号线

I am trying to set up hMailServer in "Windows Server 2008 Enterprise Edition Service Pack 1".I've setup hMailServer,Apache,PHP and webmail Interface "AfterLogic webMail" successfully.And all work well.But I am stuck in a problem while I tried to install " in "Windows S