Options reset glitch

The Options reset glitch is a glitch that occurs in The Sims 3 and The Sims Medieval. It is caused when the user updates graphics card drivers or installs a new video card. This glitch only occurs in the Windows and Mac OS X games. It resets the Users Options to when you first installed the game. Saved files are not affected.

Effects
As the result of the Options being reset, the following will occur
 * Resolution is reset to 1024x768 and the game is no longer ran in Windowed mode.
 * The user is forced to replay the tutorial when reloading a game in The Sims Medieval. In The Sims 3, the tutorial begins when starting a new game.
 * Aging is enabled and the Lifespan is reset to normal.
 * Story progression is enabled.
 * Graphics settings may be changed.
 * Freewill is turned back on.
 * Sound settings are no longer muted and been reset to their maximum values. Defocus mute is enabled.
 * Edge Scrolling is disabled and the player is asked if they want to enable it.