pls help XPT Account manager

hi pls can so one help to fix this error

Warning: fopen(C:/PT/DataServer/userdata/57/Clove.dat) [function.fopen]: failed to open stream: Permission denied in C:\Inetpub\wwwroot\Manager\state.inc.php on line 102

Warning: fwrite(): supplied argument is not a valid stream resource in C:\Inetpub\wwwroot\Manager\state.inc.php on line 103

Warning: fclose(): supplied argument is not a valid stream resource in C:\Inetpub\wwwroot\Manager\state.inc.php on line 104

i dont know why it say that !

thanks hope someone will help me