ارور مربوطه به apc

سلام خدمت دوستان ارور مربوطه در حین نصب apc میاد



Warning: popen() has been disabled for security reasons in OS/Guess.php on line 241

Warning: fgets() expects parameter 1 to be resource, null given in OS/Guess.php on line 242

Warning: pclose() expects parameter 1 to be resource, null given in OS/Guess.php on line 251
downloading APC-3.1.13.tgz ...
Starting to download APC-3.1.13.tgz (171,591 bytes)
..............................done: 171,591 bytes
55 source files, building
running: phpize

Warning: popen() has been disabled for security reasons in PEAR/Builder.php on line 465
ERROR: failed to run `phpize'

این مسیر ها در ارور رو از کجا پیدا کنم