Lets get started:
1. What type of server?
Failed loading D:\Program Files\SWsoft\Plesk\Additional\PleskPHP5\extras\ioncube\ioncube_loader_win_4.4.dll PHP Warning: PHP Startup: Unable to load dynamic library 'D:\Program Files\SWsoft\Plesk\Additional\PleskPHP5\ext\ioncube_loader_win_4.4.dll' - The specified module could not be found. in Unknown on line 0 PHP Warning: Module 'ionCube Loader' already loaded in Unknown on line 0 [Sun May 20 12:33:36 2012] [warn-phpd] The ionCube PHP Loader is disabled because of startup problems. (pid 58040 th 41360)