Warning: require_once(pear.php): failed to open stream: No such file or directory in C:\AppServ\www\crm\modules\webmail2\inc\mimedecode.php on line 19

Fatal error: require_once(): Failed opening required 'pear.php' (include_path='.;C:\php\pear') in C:\AppServ\www\crm\modules\webmail2\inc\mimedecode.php on line 19