解决IIS的Server Application Error办法 
  
Server Application Error
The server has encountered an error while loading an application during the processing of your request. Please refer to the event log for more detail information. Please contact the server administrator for assistance.
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1。右键我的电脑--管理--本地用户和组，给IUSR_机器名和IWAM_机器名两个用户设置密码，要一样。

2。开始--运行--输入cmd，
然后cd c:\Inetpub\AdminScripts
然后cscript.exe adsutil.vbs set w3svc/wamuserpass 你的密码，
然后cscript.exe adsutil.vbs set w3svc/anonymoususerpass 你的密码

如果还不行，请运行
cscript.exe synciwam.vbs -v，
然后重启IIS