CPU @ 100%

I have SQL 2000 and have been running it for quite some time without any
problems. A few days ago I have noticed that it seems to be using all the
available CPU and it really slowing down the server. I cant understand why
it is doing this.
I have tried stopping and starting and also restarting the computer but
nothing works.
Does anyone know how I could work out why it is doing this?It could be the slammer virus. Are you on sp3? Also, is it the SQL Server
process that is using 100% CPU?
Tibor Karaszi, SQL Server MVP
http://www.karaszi.com/sqlserver/default.asp
"Kris" <kris@.NOSPAMplanetsilicon.co.uk> wrote in message
news:c2v9kj$19u$1@.titan.btinternet.com...
> I have SQL 2000 and have been running it for quite some time without any
> problems. A few days ago I have noticed that it seems to be using all the
> available CPU and it really slowing down the server. I cant understand why
> it is doing this.
> I have tried stopping and starting and also restarting the computer but
> nothing works.
> Does anyone know how I could work out why it is doing this?
>