Warning:require(includes/application

HI,

I am trying to go live with my site. So far I have had everything in a subfolder working behind the scenes. After upgrading from v1.3.9c to v1.3.9f I've been having some problems and i'm not sure where to start. My install was fine and i was able to access my admin and catalog with no issues. Once i started to move my includes/ folder from my sub folder to my public_html folder and upgrade from v1.3.9c to f is when the wheels fell off.... I couldn't access my admin and was getting a 403 forbidden error. I was able to get that resolved with my host but after that, even though I could log into my admin now, I could not access my online catalog. I now get a 404 error as well if I type in my url i get. I was also told by my host that the reason I was getting the Warning: require(includes/application_top.php) was because I needed to move my /public_html/zencart/includes folder to /public_html/includes.

Warning: require(includes/application_top.php) [function.require]: failed to open stream: No such file or directory in /home/athenad1/public_html/index.php on line 26

Warning: require(includes/application_top.php) [function.require]: failed to open stream: No such file or directory in /home/athenad1/public_html/index.php on line 26

Fatal error: require() [function.require]: Failed opening required 'includes/application_top.php' (include_path='.:/usr/lib/php:/usr/local/lib/php') in /home/athenad1/public_html/index.php on line 26

I have searched, read and tired everything in the forums related to this specific error so far and nothing has worked for me or i'm just not doing something right and i still can't figure out why I can't access my online catalog. I need some fresh minds to help me out because mine is currently fried.:frusty:

Help from anyone would be greatly appreciated.

Thanks,
Athena

Warning:require(includes/application_top.php) error