If all else fails go into your documents folder>Electronic Arts> Sims4 and pull that folder to your desktop. Then start the game. Don't worry a new folder will spawn. Then play your game for a bit. Exit and replace your saves, tray, screenshot (if you like) from the folder on your desktop and your games will be restored. If I were you, however, I'd select to load the game prior to your little 'accident'. Also, before you launch your game delete the localthumbcache.
Good luck! And I hope your itchy fingers have learned their lesson. ;)