o erro é esse :
PHP Warning: mail() [<a href='function.mail'>function.mail</a>]: "sendmail_from" not set in php.ini or custom "From:" header missing in E:\Home\microcenterinfor\Web\form.php on line 63
PHP Warning: mail() [<a href='function.mail'>function.mail</a>]: "sendmail_from" not set in php.ini or custom "From:" header missing in E:\Home\microcenterinfor\Web\form.php on line 74