vista下，下载了php-5.2.9-2-win32-installer.msi安装，
cmd中运行php,错误：

弹出框提示：
没有找到*.dll,因此这个应用程序未能启动。重新安装应用程序可能会修复此问题。
ntwdblib.dll
oci.dll
libpq.dll
sqlite3.dll
aspell-15.dll
libcs.dll

cmd中错误提示：
C:\Users\Administrator>php
PHP Warning: PHP Startup: Unable to load dynamic library 'C:\PHP\ext\php_mssql.
dll' - 找不到指定的模块。
in Unknown on line 0
PHP Warning: PHP Startup: Unable to load dynamic library 'C:\PHP\ext\php_oci8.d
ll' - 找不到指定的模块。
in Unknown on line 0
PHP Warning: PHP Startup: Unable to load dynamic library 'C:\PHP\ext\php_pdo_ms
sql.dll' - 找不到指定的模块。
in Unknown on line 0
PHP Warning: PHP Startup: Unable to load dynamic library 'C:\PHP\ext\php_pdo_oc
i.dll' - 找不到指定的模块。
in Unknown on line 0
PHP Warning: PHP Startup: Unable to load dynamic library 'C:\PHP\ext\php_pdo_oc
i8.dll' - 找不到指定的模块。
in Unknown on line 0
PHP Warning: PHP Startup: Unable to load dynamic library 'C:\PHP\ext\php_pdo_pg
sql.dll' - 找不到指定的模块。
in Unknown on line 0
PHP Warning: PHP Startup: Unable to load dynamic library 'C:\PHP\ext\php_pdo_sq
lite_external.dll' - 找不到指定的模块。
in Unknown on line 0
PHP Warning: PHP Startup: Unable to load dynamic library 'C:\PHP\ext\php_pgsql.
dll' - 找不到指定的模块。
in Unknown on line 0
PHP Warning: PHP Startup: Unable to load dynamic library 'C:\PHP\ext\php_pspell
.dll' - 找不到指定的模块。
in Unknown on line 0
PHP Warning: PHP Startup: Unable to load dynamic library 'C:\PHP\ext\php_sybase
_ct.dll' - 找不到指定的模块。
in Unknown on line 0
Cannot find module (IP-MIB): At line 0 in (none)
Cannot find module (IF-MIB): At line 0 in (none)
Cannot find module (TCP-MIB): At line 0 in (none)
Cannot find module (UDP-MIB): At line 0 in (none)
Cannot find module (SNMPv2-MIB): At line 0 in (none)
Cannot find module (SNMPv2-SMI): At line 0 in (none)
Cannot find module (UCD-SNMP-MIB): At line 0 in (none)
Cannot find module (UCD-DEMO-MIB): At line 0 in (none)
Cannot find module (SNMP-TARGET-MIB): At line 0 in (none)
Cannot find module (SNMP-VIEW-BASED-ACM-MIB): At line 0 in (none)
Cannot find module (SNMP-COMMUNITY-MIB): At line 0 in (none)
Cannot find module (UCD-DLMOD-MIB): At line 0 in (none)
Cannot find module (SNMP-FRAMEWORK-MIB): At line 0 in (none)
Cannot find module (SNMP-MPD-MIB): At line 0 in (none)
Cannot find module (SNMP-USER-BASED-SM-MIB): At line 0 in (none)
Cannot find module (SNMP-NOTIFICATION-MIB): At line 0 in (none)
Cannot find module (SNMPv2-TM): At line 0 in (none)

纳闷了，环境变量也设置了，靠~
卸载重装，安装项不能全选