please enter a vaild path for emserver system root??？

majisye

我是新手
9 g6 S) f4 k9 n- h' p  H# f安装server and client applications时

" ]9 ~5 D8 Z* M* Q  ~" \; c; x& P出现please enter a vaild path for emserver system root
  ]: t6 F8 n' |* ]; Y3 l% V1 A4 n
该如何做啊