cant edit pages

[louisewh123]

Warning: fopen(C:/Inetpub/vhosts/drsports.co.uk/httpdocs/includes/languages/english/html_includes/classic/define_main_page.php) [function.fopen]: failed to open stream: Permission denied in C:\Inetpub\vhosts\drsports.co.uk\httpdocs\admin\define_pages_editor.php on line 75

Warning: fclose(): supplied argument is not a valid stream resource in C:\Inetpub\vhosts\drsports.co.uk\httpdocs\admin\define_pages_editor.php on line 78

Warning: Cannot modify header information - headers already sent by (output started at C:\Inetpub\vhosts\drsports.co.uk\httpdocs\admin\define_pages_editor.php:75) in C:\Inetpub\vhosts\drsports.co.uk\httpdocs\admin\includes\functions\general.php on line 21

keep getting this error, fresh install using version 1.3.8



help

[pdxdoug]

file permissions?