Which files go where • Package files (mods, CAS, build, & buy content) go into the Mods folder • Sims & Houses (householdbinary, trayitem, sgi, hhi, blueprint, bpi) go into the Tray folder
If it says "No Cookies Found," that is because you have to create an account & / or log in. If you're having trouble creating an account, Google & Yahoo Answers are the best places to go for help. As far as I know, this may or may not work with pirated versions of the game.
Unfortunately I cannot help with zip file problems, icons, error codes, or any other zip file issues. I suggest trying another one or uninstalling and then reinstalling it, and selecting all of the options for what it can open.