I'm also running 64 W7. Just googled Minefield 64 and got this message:
Reported Attack Site!
This web site at neroapi.net has been reported as an attack site and has been blocked based on your security preferences.
Attack sites try to install programs that steal private information, use your computer to attack others, or damage your system.
Some attack sites intentionally distribute harmful software, but many are compromised without the knowledge or permission of their owners.