admin login blank - URGENT

[srdivan]

I have been setting up my e-shop for some time. all of a sudden when i go to zencart/admin instead of a log-in page (where I should put my user anme apassword) I get a blank page and cannot log into my admin pages, my ftp log in works fine and my zencart shop works fine

[Website Rob]

If you Admin login was working fine before and you have not made any changes, it could be your Hoster made a software upgrade of some sort which caused the problem. Also, are you using an SSL Cert?

What happens if you try to use one of these URLs:
yoursite.com/admin/login.php
or
yoursite.com/admin/index.php