当年 Adobe CS 在 Mac 上卸载重装的一个重要步骤就是
Install Adobe Creative Suite 4 from within a root user account.
For instructions on enabling and logging into the root account on Mac OS X, see "Enabling the root user" in Macintosh online Help.
然后就需要开启 root 账户,顺带也就设置了密码 - -