Q: Is there a pop-up blocker that's free and works well?
A: I use Analogx's POW! It closes Windows by looking at the title, with wildcards possible.

Q: How do I actually LIMIT the amount of bandwidth I use?
A: Try NetLimiter, which costs $29.95 to register, but seems to do what it claims, and more.

Q: What does it mean when a game tells me that my video card is not supported?
A: Exactly what it says: it cannot run with your video card. Your video card does NOT fit the requirements. Better return the game or upgrade your video card.