Cacti installation problem

[mulli]

Hi,
I have installed cacti in a windows 2000 server, and when i try to start it i receive the next error: (http://localhost/cacti/index.php)

Warning: session_start(): open(c:\tmp\sess_ffeedc37d274981656cf3908aa82c0bd, O_RDWR) failed: No such file or directory (2) in C:\Apache2\htdocs\cacti\include\config.php on line 74

Warning: session_start(): Cannot send session cookie - headers already sent by (output started at C:\Apache2\htdocs\cacti\include\config.php:74) in C:\Apache2\htdocs\cacti\include\config.php on line 74

Warning: session_start(): Cannot send session cache limiter - headers already sent (output started at C:\Apache2\htdocs\cacti\include\config.php:74) in C:\Apache2\htdocs\cacti\include\config.php on line 74

Warning: Cannot modify header information - headers already sent by (output started at C:\Apache2\htdocs\cacti\include\config.php:74) in C:\Apache2\htdocs\cacti\include\auth.php on line 31

Warning: Unknown(): open(c:\tmp\sess_ffeedc37d274981656cf3908aa82c0bd, O_RDWR) failed: No such file or directory (2) in Unknown on line 0

Warning: Unknown(): Failed to write session data (files). Please verify that the current setting of session.save_path is correct (c:\tmp) in Unknown on line 0

I don't know what's happening.
Anyone can help me ?

[zloy_serg]

see permissions on you cacti directories