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How to fix the sims 3 error code 12?

Alton Alexander
By Alton AlexanderUpdated on June 4th, 2022

The sims 3 error code 12 fix is a simple process that can be completed by following a few steps. This error code happens when the game tries to save a sim to a file that is already in use by another sim. This can happen when two sims are trying to save to the same file, or when the game is trying to save a sim to a file that has been corrupted. The sims 3 error code 12 fix will fix this error by replacing the corrupted file with a new one.

1. Check for updates to the game and to your system

  1. Go to the EA website and sign in.
  2. On the left-hand side, under "My Games," select "Sims 3."
  3. On the right-hand side, under "Updates," select "Check for Updates."
  4. If there are updates available, a message will appear telling you how to download and install them.
  5. If there are no updates available, the message will tell you how to update your game.
  6. Click on the "Update Now" button to download and install the updates.

2. Delete any custom content or mods you have installed

  1. Navigate to your "Documents\Electronic Arts\The Sims 3" folder.
  2. Delete all of the files within this folder, except for the "TS3Data" folder.
  3. If you have any custom content or mods installed, delete them from your computer as well.
  4. Launch The Sims 3 and try to save your game again. If the error code still persists, reinstall The Sims 3.

3. Try running the game in Compatibility Mode

  1. Go to your game's installation folder.
  2. Find the "bin" folder.
  3. Find the "game_config.bin" file.
  4. Open the file with a text editor.
  5. Find the line that says "game_config.bin.Version" and change it to "game_config.bin.Version=1".
  6. Save the file.
  7. Launch the game.

4. Make sure your system meets the minimum requirements for the game

  1. Verify that your system meets the minimum system requirements by using the game’s System Requirements Checker.
  2. If your system does not meet the minimum system requirements, you may need to upgrade your hardware.
  3. If your system still does not meet the minimum system requirements, you may need to install the latest game updates.
  4. If your system still does not meet the minimum system requirements, you may need to install the latest game software.
  5. If your system still does not meet the minimum system requirements, you may need to reinstall the game.

5. Reinstall the game

  1. On your computer, go to the game installation folder. This can be found in your computer's hard drive, in the folder where the game was installed.

  2. Delete any files that are in the game installation folder.

  3. Download and install the latest version of the Sims 3 Launcher.

  4. Download and install the latest version of the Sims 3 game.

  5. Download and install the latest version of the Sims 3 Patch.

  6. Double-click the Sims 3 Launcher.

  7. Double-click the Sims 3 game.

  8. Click the Install Game button.

  9. Click the Agree and Install button.

  10. Click the Play button. If you still experience an error code 12, you can try the following steps:

  11. On your computer, go to the game installation folder. This can be found in your computer's hard drive, in the folder where the game was installed.

  12. Delete any files that are in the game installation folder.

  13. Download and install the latest version of the Sims 3 Launcher.

  14. Download and install the latest version of the Sims 3 game.

  15. Download and install the latest version of the Sims 3 Patch.

  16. Double-click the Sims 3 Launcher.

  17. Double-click the Sims 3 game.

  18. Click the Install Game button.

  19. Click the Agree and Install button.

  20. Click the Play button.

Still not working? maybe try one of these options:

  1. Contact EA customer support.