Installation Issue - PHP 5.2.2.2 problem and bug in script - XP pro / IIS6 (Win 32)

I have a problem with PHP 5.2.2.2 I am on XP Pro with IIS6 I just downloaded and ran php-5.2.2-win32-installer.msi The installer for IIS (ISAPI) has a bug: The directory and path are C:\Program Files\PHP In IIS, ISAPI Filter - I found C:\Program Files\PHP\\php5isapi.dll //Note the null directory I corrected ISAPI the directory in IIS Checked my system path and variable: (OK here) C:\Program Files\PHP\ PHPRC= C:\Program Files\PHP\ Permissions are : read, write, executables, scripts - Everything seams to be in order, however, I get error 500 when I run phpinfo(); to my server. The page runs fine on a remote server. Any comments please on where to go or to do to fix this problem? TIA Mark