These all seem like excuses...
You can just say the real reason is "We fucked up... moved servers to a poor hosting company. We are trying to figure out something and need to buy more time".
Sorry just have trouble seeing the link between "Then we found it was only happening when Arma was running, even when other even more intensive applications (for testing) were active." and then all of a sudden its a Windows exploit? Wut.
How's identity?