It won't be that bad, you just have to dry it out. But next time, make sure you don't have anything like a yogurt smoothie next to your PC. I spilled one on my laptop and it wouldn't turn on for 5 years
To me, C&C was killed after Renegade, which they made it be released in its Alpha stages. Every C&C game after that had tons of content removed because of EA's time constraints on the team developing them.