Here is the error message
Fatal error: Allowed memory size of 536870912 bytes exhausted (tried to allocate 230686752 bytes) in C:\Program Files\NetMake\v9\wwwroot\scriptcase\devel\class\page\nmPageAdminUpdate.class.php on line 1173
In your php.ini file, look for memory_limit and increase it. At least memory_limit=1024M. If 1024, make it 2048. Then restart apache.