> I have upgraded the driver from the Creative web site, but my computer has
> just re-booted again whilst typing out this reply. I am still trying to
> determine the cause of the problem.
I assume you're running a recently updated virus killer (NAV 2004 works fine
for me) /scumware detector (such as AdAware)?
Also, if the problem only exhibits itself with Outlook Express, I would
suggest un/reinstalling it, or even switching to a different email client.
There ARE other ones you know, and most are actually better than M$'s
offering.