Are you saying that your software has (Blocked/Detected) Minecraft, or given it a 'Bad' Rating? For quite often the case may be due to the Games/Downloaders being detected with Steam/Minecraft/Foxhud applications?
The end result being your attempt to access was blocked due to it being detected as Artemis!
You can check your Quarantined Folders if it is the case.
If that is indeed the case, please follow these Guidelines/Instructions:What To Do When McAfee Detects Software As An Infection - How to Submit To McAfee Labs & Appeal
If the reason for being blocked access to is due to the site being given a 'Bad Reputation', then by all means follow the suggestion Colleague Peacekeeper has given.
All the Best
McAfee Community Moderator