If I use File.Exist to check if C:\Windows\System32\inetsrv\config\applicationHost.config exists,the function will return "false",all files under this folder are the same.
Files under other folders will return "true".
My application is runnning as "administrator" account.I think it's not the file permission issue.
I want to know if there are any special differences between files under C:\Windows\System32\inetsrv\config\applicationHost.config and other common files.