I've purchased a license. Please advise your friends

Hi I have a problem in version Xfilesharing Pro The website admin panel when I want to save the settings I error "Can't write XFileConfig" Shows Chmod files: cgi-bin/XFileConfig.pm 666 cgi-bin/XFSConfig.pm 666 The problem is the access? The problem is my Perl version? Profile server: Cento...