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something similar happened to me, i uninstalled steam and re-installed it then installed MW2 from the disk. But you might lose all your installed games this way. Otherwise try right clicking mw2 then delete all local content then re-install it from disk or net.
something similar happened to me, i uninstalled steam and re-installed it then installed MW2 from the disk. But you might lose all your installed games this way. Otherwise try right clicking mw2 then delete all local content then re-install it from disk or net.



