Ubuntu freezes randomly

[Aaron]

Pat Brown wrote:
> I have a problem with Ubuntu freezing for no apparent reason. It's not 
> like I'm running any RAM intensive programs - this morning I had 
> Konquerer open, Thunderbird and OpenOffice. Konquerer was on The Weather 
> Network looking at the long range forecast, and the whole system froze. 
> I can't do anything except a hard reboot. I can't even open a terminal. 
> I'm fully patched. I'm on a a Compaq Presario C700, with 512 MB and1.73 
> Ghz. Even when it's not freezing it often slows down and the screen will 
> gray out for several seconds before coming back. When it's in this state 
> I can't do anything.
>
>   
What version of Ubuntu are you running?