cURL error:
From:
PHP: Installation - Manual
Note: Note to Win32 Users
In order to enable this module on a Windows environment, libeay32.dll and ssleay32.dll must be present in your PATH. You don't need libcurl.dll from the cURL site.
file_get_contents error:
The URL may not be responding well. You might want to try something other than
http://example.com. It could also be that a firewall or other access issue was preventing the server from going out on the 'net.