When the OpenNet plugin is loaded at the "top" level, it often unlocks the developer console. This allows players to spawn weapons (e.g., give commands), change gravity, teleport across the map, or alter game speeds in private matches. For YouTubers and Machinima creators, this is a goldmine.
: Black Ops II uses DirectX 10/11; ensure your graphics drivers are updated to avoid rendering conflicts with injected plugins. Important Safety Note
Based on the phrase provided, this appears to be a technical log message or status indicator related to modding, specifically involving the OpenNet (or OpenPlugin) framework used for custom servers (like Plutonium or Redacted) or modifications.
: Modern Windows versions may require updated graphics drivers or compatibility mode set to Windows 8 or Windows 7 .
If the "loaded" notification is followed by a crash or the game won't open: