Ubuntu sometimes stops responding

[Michael]

Diogo Branco wrote:
> Hi all, i have Ubuntu version 9.04 64 bits, sometimes when i am
> browsing the web with firefox 3.0 or shiretoko 3.5, the ubuntu machine
> stops responding i have to press reset button of the computer to
> restart the machine, i cannot find anything in the logs, my board is
> an asus p5b-e i dont know if is there any issues with this board and
> ubuntu i hoppe not.
>
> Regards, Diogo.
>
>   

People having problems with Ubuntu locking up should reset their desktop 
visual effects to none.  Worked for me, two days now without a freeze.  
A new record.