Ok, thank you very much for the program, I download and it worked. But verifying the two folders that are appearing as 'UNWRITABLE' are ok in permissions, they are activated. This is what the Filezilla tells me. But in the site it isn't change anything. What I realized:
Cache Directory /home/storage/b/a6/b4/mundoaforaintercambi/public_html/administrator/cache/ Writable
Log Directory ($log_path) E:\home\mundoaforaintercambi\web\joomla\logs/ Unwritable
Can you see the difference between an item that is writable and unwritable? It is the path.
The right path is "/home/storage/b/a6/b4/mundoaforaintercambi/public_html/administrator/" the "E:\home\mundoaforaintercambi\web\joomla\" is the old one.
So I need to know how change the path to the right one, as: