Can you consult with his webhosting provider to increase this few php value?
max_execution_time - 300
Because when trying to install full installer in your site, it seems like hitting script timeout error, so unable to continuous to update ES on your testing site.
Hi, i put the max_execution_time in 300. I try installing the full package but nothing happens. The menu was gone in a update. I remember that the same happemnd to me with another extension and i can fix with a qery on database .