Fix Win ASP webpage after restoration

After restoration of a website, one client's backoffice website stopped working. Client can login, edit and save static webpages,but can't see modifications in the front end. The website builder company dissapeared, so we need somebody with good experience to take a look inside the code and fix this. The website uses ASP technology and is hosted in a plesk 8.6 reseller panel. We attach some captured fies, so you can have an idea about the project.