you wont have to start over again the updates install over your game, i have had the game since two days after it was released on LDW, and none of the updates erased my games. If you didn't buy the game from LDW you will not have the newest version until the company you bought it from reviews it and releases it. you will have to contact them to get the updated version. If you did buy it from LDW all you need to do is download the trial version over your current game. it will work fine after that. However i have read that some of the updates don't take affect unless you do restart the game. As far as i know it doesn't affect windows. and anyone who has .01 does have energy problems. but the problems seemed to be fixed after the .05 update. Also, try praising your peeps for taking naps and relaxing in the hammock as these things help with energy levels, Hope this helps.