And what do I do if there isn't a no-CD crack? I've been looking around for one online for days and haven't found one.

I recently received the Fun With Pets Collection as a holiday gift. I have not installed it to my Sims 2 game yet because I'm worried about the SecuRom issues I have heard about. What's the best way to protect my computer from being damaged short of just plain not installing it at all? As far as Sims 2 games goes, I have Sims 2 Deluxe, University, and Open for Business.

If it helps, I have a computer with the following:
Windows XP Media Center Edition Professional 32-bit SP2
AMD Athlon 64 X2 3800+
1.0GB RAM
XFX 512MB GeForce 9500 GT

I know its not great, but I don't have a whole lot of money either. So if my computer is screwed, then so am I and the rest of my family since its the main computer in the home network. Which is the main reason why I want to make sure I don't ruin my PC.