website URL is 976evil.com

The issue is that I am getting the message "Zend Optimizer not installed" on my website.

When i remove the installaition line from within includes/application_top.php the site does come back.

I am not seeing any blank page.

What could be the cause for this and how do i sort this out?

do you mean that i need to comment out this line: ?

If i comment out that line or even remove it, the site does come back but how do i go about installing this?

I am not sure abt the Zend Optimizer issue but i will enquire about it tomorrow now.
The site was however working before i had made the changes contained with install.html

I am not sure what to do from step 6 onwards of the install.html file. 6. Setup access rights for the file www/.htaccess to 666 (rights for read and write by user, group and other users). 7. Display at least once main page of your eshop (the content of www/.htaccess file will be generated). 8. Chang...