Дайте вывод ошибки от SugarCRM
System Check Acceptance Errors have been detected during compatibility check. In order for your SugarCRM Installation to function properly, please take the proper steps to address the issues listed below and either press the recheck button, or try installing again.
Component The config override file exists but is not writeable. Please take the necessary steps to make the file writeable. Depending on your Operating system, this might require you to change the permissions by running chmod 766, or to right click on the filename to access the properties and uncheck the read only option.
Location of your PHP configuration file (php.ini):
/etc/php5/apache2/php.ini