Base game incompatibility and launcher version glitch

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See also: Glitches

The Base Game incompatibility and launcher version glitch can occur in The Sims 3 game Launcher after players update The Sims 3 to the latest patch. Players may experience the Launcher reading their game versions as or get a pop-up message saying: 'Base Game Incompatibility'. This is apparently a recurring problem when updating, as it is posted on whenever a new patch is released.

It was first posted as a sticky on June 14, 2010, by SimGuruPopTart at the technical forum and was bumped up when EA released a new patch.

Fix[edit | edit source]

It has come to our attention that some of our fellow Simmers are encountering issues after the latest update. First off, we want to apologize in advance for the inconvenience and want to do everything possible to get you back in the game!

For those with these issues, it is highly recommended to follow these steps.

  • Uninstall EA Download Manager
  • Reboot your machine
  • Obtain the latest available version here:
  • Open EA Download Manager to ensure that the Download Manager is fully up-to-date
  • Open The Sims 3 Launcher

At this point the Launcher should prompt you that there is another available update and all products will be properly in sync.

If you followed the above directions to no avail, please create a thread in The Sims 3 Site's Tech Discussion Forum( with as much information as possible. This information will help us troubleshoot your issue as quickly and efficiently as possible. Please include:

  • Products installed
    • Base Game
    • World Adventures
    • High-End Loft Stuff
    • Ambitions
  • Version of each product, which can be found by opening the skuversion.txt file
    • These are located in the corresponding folder for Base Game and/or Expansion Packs and Stuff Packs
      • Example: C:\Program Files\Electronic Arts\The Sims 3\Game\Bin\skuversion.txt
      • Example: C:\Program Files\Electronic Arts\The Sims 3 Ambitions\Game\Bin\skuversion.txt
    • The important information to include in your post is the first line of the Text document that reads: Gameversion =
    • DXDiag – directions are located here:

From: Launcher Reading Version and Base Game Incompatibility

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