No it cannot
No, however if you used something like "boolprop constrainfloorelevation false" or "moveobjects(on)" while you are building a house then you need to be careful because it can mess up how your sims play in the house. It won't mess up your computer though.
Using cheats in Sims 2 doesn't mess up your computer, it slows up the game a bit though, and yes, it does work, otherwise they wouldn't have made it and people wouldn't use it, but sometimes it doesn't work if you use it continuously on your game.
It depends on what computer you have for wizard101 to mess up your computer.
No but they can get you banned.
depends on what you download can limewire mess up your computer
Through the downloading process, you will have to insert several CDs. However, with Sims 2, you need Sims 1 (original). Once you have sims 1 and 2 on your computer, you run the program using the Sims 2 cd. (It must be in your computer for the program to work. If you take it out wile the program is still running, you will mess it up)
if you use it improperly, it can very well mess up your computer.
Minecraft doesn't mess up your computer. Minecraft is a malware free program.
It forces an error, which brings up an error screen. Don't mess with it though, it can mess up the game.
Mod The Sims is a blog of advice given to people who play The Sims. It can be very informative to your needs and I don't recommend you pass up reading. You never know what you might learn, it can be very helpful.
Well you should be able to. You need the original sims 2 first to play, so i am guessing if the sims 2 game works on your computer, you should be able to play the sims 2 open for business. But before you go and buy it, I would make sure that you have enough space and stuff to play, just in case your computer can't take sims 2 the expansion packs and mess up your computer. Because the Sims 2 and all the exampion packs are very heavy on computers.