check this.
http://www.symantec.com/business/support/index?page=content&id=HOWTO48691&profileURL=https%3A%2F%2Fsymaccount-profile.symantec.com%2FSSO%2Findex.jsp%3FssoID%3D140479923089658e98C7MqJwZqrjITh05q633x9nxQ28g22Tri
https://www-secure.symantec.com/connect/articles/automated-uninstall-unauthorized-applications