How to fix the directory that shows me a "forbidden" message when i open it in the browser?

I was using a hosting to run my site, lately it has been working fine but today i opened the site in the browser at "http://www.arquisanjose.org/ver2" and shows me the following message:

alt text

i´ll appreciate some of your help...

Solution

You may not have the Options directive configured correctly for that folder. To enable for just that folder, you can drop an .htaccess with the following in that folder:

Options +Indexes