data problem during presta install to subdomain.

I have a website. via this website to [login to view URL] opened an automated way to another host. i have two version prestashop [login to view URL] 1.5.3 english 2. prestashop 1.4.4.1 turkish. prestashop 1.5.3 english working without problem. but prestashop 1.4.4.1 turkish not working. who can this problem fixing. and by my website demo section can not displaying. only white page (cake php using)