There are a number of reasons why you would get just a blank white page after installing.All of them boil down to one common denominator, a PHP error. Please either turn on error displaying in osTicket or consuilt your PHP error log.Here are directions on how to turn on error displaying: http://tmib.net/osticket-v19x-frequently-asked-questions-faq#2Also please help us to help you by reading and following the posting
guidelines located in this thread: Please read before requesting assistance. The more information you give us the better we will be able to assist you. Thank you.