How to Remove "Sims 3" From the Registry

Written by amanda rumble
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When you uninstall a program from your computer, the uninstaller removes the program files, saved games and registry entries. However, at times the uninstaller may miss certain files or registry keys, causing your computer to hold on to extra, unnecessary files which may impact performance and consume additional system resources. When you uninstall the Sims 3, check your registry to manually remove any keys that were not automatically deleted upon completion of the uninstall process.

Skill level:


  1. 1

    Click "Start" and type "regedit" into the "Run" box to start the registry editor.

  2. 2

    Navigate to "HKEY_LOCAL_MACHINE\SOFTWARE\Electronic Arts\Sims."

  3. 3

    Right-click "The Sims 3" folder and select "Delete."

  4. 4

    Collapse the folder labelled "Electronic Arts" and expand "Sims" folder.

  5. 5

    Right-click "The Sims 3" and select "Delete."

  6. 6

    Navigate to "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall" and delete the folder "• {C05D8CDB-417D-4335-A38C-A0659EDFD6B8}" if it appears.

  7. 7

    Collapse the "Microsoft" folder and expand "Classes." Delete the following folders if they appear:

    "• .Sims3"

    "• .Sims3Pack"

    "• Sims3"

    "• Sims3Pack"

Tips and warnings

  • Back up your registry before making any changes to it by selecting "File" and "Export." Save the file to a location that is easy to identify, such as your desktop. This allows you to restore the original registry in case you delete something that impacts your operating system negatively.

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