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Steam won't open?!?!?!?

Whenever I try to open steam an error message comes up saying "Steam.exe (main exception): CMultiFeildBlob(pSerialized): Bad Feild - extends past end of blob" how do I fix this??? It won't let me play any steam games either!!!

1 Answer

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  • Anonymous
    1 decade ago
    Favorite Answer

    To fix this problem you need to exit from Steam (if it's running) and delete a file in your Steam directory called:

    ClientRegistry.blob

    This would typically be in:

    c:\Valve\Steam

    or

    c:\program files\Steam

    The next time you start Steam it will re-create this file, do a brief update and then you should be able to play.

    Re-installing Steam on top of an old install may not fix a problem like this, you would have to use the add/remove program in the control panel.

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