Strange Problem ! help required

hi i have been using php for 1 year, but i have never face problem like this, when ( by clicking on a link ) the browser navigates to "register.php" page, it displays correctly , but when i click the "refresh button" to reload the page, it doesn't display any thing but display only one error line, Warning: Failed opening 'D:\Documents and Settings\Administrator\Desktop\ss\main\register.php' for inclusion (include_path='.;C:\PHP\pear;c:\php\includes') in Unknown on line 0 here i have tried many combinations of paths in the php.ini file but all worked the same .;c:\php c:\php c:\php\pear .;\php\pear c:\php\include ( this path does not exists but i tried it ) .;c:\php\include ( this path does not exists but i tried it ) c:\php\pear;c:\php .;c:\php\pear;c:\php etc. but all are working the same is there any thing i m missing ?? thankx in advance --------------------------------- Do you Yahoo!? Yahoo! Web Hosting - establish your business online