Turn off the automatic 'Lock the computer'?

I'm doing long simulations with 3dsmax's Fumefx and I have this most annoying
problem with Windows Vista automatically locking the computer after a while
and thus jamming the simulation process i'm doing! So I can't left my
computer doing the simulation overnight...

I've checked all the power options and others, but it still locks the
computer after a while. In the screen saver settings the option "On resume,
display logon screen" is checked and DISABLED! why?

Bit frustrated am I.

Maybe tips in the link below will help?? It also shows registry mod to
disable screen lock.

http://www.vistax64.com/tutorials/12...e-disable.html

Steve

"Mikohn" <> wrote in message
news:0A2E9951-BFF2-4856-B7C1-...
> I'm doing long simulations with 3dsmax's Fumefx and I have this most
> annoying
> problem with Windows Vista automatically locking the computer after a
> while
> and thus jamming the simulation process i'm doing! So I can't left my
> computer doing the simulation overnight...
>
> I've checked all the power options and others, but it still locks the
> computer after a while. In the screen saver settings the option "On
> resume,
> display logon screen" is checked and DISABLED! why?
>
> Bit frustrated am I.