Given that it's a blanket security measure I don't know if you'd be able to sue with any kind of grounds, it's meant to protect people from downloading computer AIDS, its not realistic to filter what is and isn't a legit program. "May be dangerous" is about as close as you'll be able to get. That said, you might be able to write off the cert as a business expense through your LLC and recoup the loss through taxes. But I'm not 100% sure how that works