'warning' message in WP 3.3.1

hi their ^^)/

I have few problems in my WordPress 3.3.1 ver

When I enter admin page, these message is showing.

Warning: preg_match_all() [function.preg-match-all]: Compilation failed: this version of PCRE is not compiled with PCRE_UTF8 support at offset 0 in /usr/local/apache2/htdocs/privacy/wp-includes/compat.php on line 30

Warning: array_slice() expects parameter 1 to be array, null given in /usr/local/apache2/htdocs/privacy/wp-includes/compat.php on line 31

Warning: implode() [function.implode]: Invalid arguments passed in /usr/local/apache2/htdocs/privacy/wp-includes/compat.php on line 32

* /usr/local/apache2/htdocs/privacy/ -> is my directory
i’ve installed WP 3.3.1 in subdirectory. not www root

my WP is working well now(posting, image upload…) but when i use [shortcode] in my post. this message shows on my web pages…..so…i want to solve this problem.

what can i do?

umm..

version
 Apache/2.2.15 (Unix)
 mysql Ver 14.14 Distrib 5.1.52,
 PHP 5.3.2 (cli) (built: Jun 25 2011 08:12:19)
 Zend Engine v2.3.0
 PCRE version 7.8 2008-09-05

my pcre version is outdated?
can i update my pcre version?
( yum update pcre )

i don’t know what can i do (ㅜㅜ)

… and…
I’m not an native speaker, so plz explain easily ! (^0^)

thanks !