Take a look here
http://aumha.org/win5/a/shtdwnxp.htm
"PCNewbie" <(E-Mail Removed)> wrote in message
news

A60AE3C-A22B-4544-8FF0-(E-Mail Removed)...
> I'm running Windows XP home and it keeps rebooting.
> Event viewer shows an Application Hang error at the time of rebooting.
> Event ID 1001
> Product : Windows Operating System
> Version 5.2
> Symbolic Name : DW_BUCKET_LOG
> Message : Fault bucket %1
> Explanation
> The indicated program stopped responding. The message contains details on
> which program and module stopped responding. A matching event with Event
> ID
> 1001 might also appear in the event log. This matching event displays
> information about the specific error that occurred.
>
> User Action Required : No user action is required.
>
> This is happening every day so the message saying no action required is
> quite frustrating.
> Does this mean anything to anybody because I have no idea what to do