xampp apache mysql installation problems

• Change xampp apache port no.

         go to C:\xampp\apache\conf\httpd.conf find Listen and change it to port other than 80...
         http://complete-concrete-concise.com/web-tools/how-to-change-the-apache-port-in-xampp

• root@localhost with password 'No' Access denied problem.

         change password 

         C:\xampp\phpMyAdmin\Config.inc.php 

         find $cfg['Servers'][$i]['password']      = '12345';       and restart apache server  

• delete service apache2.2 when apache doesnot restart and try starting apachen again.

          sc delete "apache2.2"
          http://www.howtogeek.com/howto/windows-vista/how-to-delete-a-windows-service-in-vista-or-xp/

>>upgrade xampp php version
http://stackoverflow.com/questions/2154762/upgrading-php-in-xampp-for-windows