you wont lose them if you back up your files or save them to a separate folder for safe keeping
Yes! If you uninstall The Sims 2 PC and then re-install it your sims will be deleted!
You might. Back up the My Games folder (located in My Documents). Uninstall, reinstall, and paste the folder back.
Yes. Since the games are build into the Steam platform, you will lose them. Although, If you purchased a game, you can get if again for free if you Reinstall it.
You will only lose your rank and unlocks if you choose too. The uninstalling wizard will ask you. You will not normally lose any of your game stats unless you choose to.
Sadly yes but you can save the maps in another file and then put it back in the custom edition you reinstalled.
If you uninstall 'Despicable Me', you will not lose all the information because xbox games scores are synced.
no
You can't uninstall Windows XP, from the command line or otherwise.
yes. it will save your files.
Characters are saved on the server, not on your console. Feel free to uninstall without worry.
No, you will not lose your account money. The money you register is related to the account, not the actual iTunes software.
even if you uninstall the sims 3 game, your account will be fine on the sims 3 website.