大神求教，为什么我的prgen命令安装不了，我用的是stata12,急~~~~~~~



. net install spost9_ado
checking spost9_ado consistency and verifying not already installed...
the following files already exist and are different:
    c:\ado\plus\p\prgen.ado
    c:\ado\plus\p\prgen.hlp
    c:\ado\plus\p\prvalue.ado
    c:\ado\plus\p\prvalue.hlp
no files installed or copied
(no action taken)
r(602);