Go to the start menu,
search for HP Health Check,
right click and go to properties,
click the short cut tab,
and then go down to the short cut window.
The short cut for this program is also ctrl+shift+c,
so just change it and your cheats window should work fine.
omg I think I finally found the answer after so much investigating, I couldnt open it either with all the advice of press this press that, im on a laptop running vista, but thanks so much for ur answer... my sims will love you for it lol I couldnt afford a refrigerator and they starved lol... ill try it asap, I love the positive feed back !!! hoorah for you, I hope I can find HP Health Check thats what showed up on mine....