I just followed meticulously this guide in order to upgrade from 1.9.1 to 1.9.2. I had no admin customizations so I did not do the last 3 points of the step number 4.
I did not had any local.xml file on my app/etc/ directory so I copied the old file to the new magento folder one and changed nothing on it. I uploaded then the shop to my server and the result is a blank page.
I can though see the admin page but I cannot login. What could be wrong? I would really fell appreciated for any ideas of what is wrong or how to search.
Thanks in advance!