Apache won't start

[fedix]

I've recently installed a new (basic package) version of Fedora (14) from version 11. After downloading the latest xampp and installing it as per document, I recieved the following error upon starting xampp.

XAMPP: SELinux is activated. Making XAMPP fit SELinux...
Starting XAMPP for Linux 1.7.3a...
/opt/lampp/bin/php: error while loading shared libraries: libz.so.1: cannot enable executable stack as shared object requires: Permission denied
XAMPP: Starting Apache with SSL ...
/opt/lampp/bin/httpd: error while loading shared libraries: libexpat.so.0: cannot enable executable stack as shared object requires: Permission denied
XAMPP: Error 127! Couldn't start Apache!
XAMPP: Starting diagnose...
XAMPP: Sorry, I've no idea what's going wrong.
XAMPP: Please contact our forum http://community.apachefriends.org/f/
XAMPP: Starting MySQL...
/opt/lampp/bin/my_print_defaults: error while loading shared libraries: libz.so.1: cannot enable executable stack as shared object requires: Permission denied
/opt/lampp/bin/my_print_defaults: error while loading shared libraries: libz.so.1: cannot enable executable stack as shared object requires: Permission denied
XAMPP: Couldn't start MySQL!
XAMPP: Starting ProFTPD...
XAMPP: /opt/lampp/sbin/proftpd: error while loading shared libraries: libcrypto.so.0.9.8: cannot enable executable stack as shared object requires: Permission denied
XAMPP: Error 127! Couln't start ProFTPD!

Any help please!