Keyboard and Mouse doesn't work on system preferences after 10.5.2 upgrade

The keyboard and mouse configuration through the system preferences painel has stopped working after installing the update to version 10.5.2 of the Mac OS X.
This occurs when using the Brazilian Portuguese language. Any suggestion?

I've found a fix here:
http://antoniofonseca.wordpress.com/2008/03/12/correcao-para-o-problema-do-tecla do-e-mouse-no-leopard-1052-em-pt-br/
In short: there's a problem with the Brazilian Portuguese translation, it's the only language affected.

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