I can confirm that on a Vista x64 system which did _not_ have any
windows updates installed since 7/21 (It's offering KB972260 as an
option) that the problem has occurred. Disabling the ESET service has
fixed it and also worked on various client's machines. (some of them
did have the update installed)
In this computer's case the problem occurred between midnight and 8am
when it was found locked up.
>At this point I'm not so sure that KB972260 is involved at all, so let's
>drop that from the mix for the moment.