ayuda problema con php,apache y mysql

[LuZBinG]

ok gracias estos son otros errores
Warning: session_start(): open(/tmp\sess_bb7ed71b9d926c9d4da48be898a5ca7e, O_RDWR) failed: No such file or directory (2) in C:\Archivos de programa\Apache Group\Apache2\htdocs\xxx\authentication\form_.php on line 14

Warning: session_start(): Cannot send session cookie - headers already sent by (output started at C:\Archivos de programa\Apache Group\Apache2\htdocs\xxxx\authentication\form_.php :8) in C:\Archivos de programa\Apache Group\Apache2\htdocs\xxx\authentication\form_.php on line 14

Warning: session_start(): Cannot send session cache limiter - headers already sent (output started at C:\Archivos de programa\Apache Group\Apache2\htdocs\xxx\authentication\form_.php: 8) in C:\Archivos de programa\Apache Group\Apache2\htdocs\xxx\authentication\form_.php on line 14

Warning: Unknown(): Your script possibly relies on a session side-effect which existed until PHP 4.2.3. Please be advised that the session extension does not consider global variables as a source of data, unless register_globals is enabled. You can disable this functionality and this warning by setting session.bug_compat_42 or session.bug_compat_warn to off, respectively. in Unknown on line 0

Warning: Unknown(): open(/tmp\sess_bb7ed71b9d926c9d4da48be898a5ca7e, 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 (/tmp) in Unknown on line 0


crees que el error se deba en archivo php.ini
algo tengo que modificar de ahi
no seria mas facila si sabes por fa