game(RCT3) shuts down.......the watergirl here from East Tenn. I spend many hours building parks in Sandbox.and many years. when they really start looking good the game or my computer closes my game. can I get a suggestion from anyone

You probably already do this, but I would save your work many times as you are working on it. At the last resort , I would re-install the game again and make sure to take the ATARI folder off of your hard - drive (example mine is C. Is something has corrupted the folder this might help. Please back up all of your work before you uninstall the ATARI folder and the game. When I was having issues with the game, sometimes this would work. I would also check compatible issues. Are you on a PC or a Mac? Here is a link that shows what I'm talking about:
"Make older programs compatible with this version of Windows"
http://windows.microsoft.com/en-us/windo...on-windows
If you are using a mac, I'm not sure.

I hope it helps a little.

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With your computer problem, you might need two programs that could help you mate and they are Large Address Aware & Park-Clean Up, because they both will help you and make sure your game does not crashed all the time.