Thanks for your reply Keith, I've been thinking about my reply.
I unserdstand and look through most of what you posted, that's not to say I understand everything the logs are telling me. With regards to the COM+ log the MS 'Help and Support Centre' windows comes back with...
<snip>
Were sorry, but we were unable to service your request. You may wish to choose from the links below for information about Microsoft products and services. etc.. with a load of general links to click on.
<snip>
Event Type: Warning
.....
.....
The COM+ Event System failed to fire the ConnectionLost method on subscription {A8EDB33C-55FF-4D5D-965A-27769CC279AD}-{00000000-0000-0000-0000-000000000000}-{00000000-0000-0000-0000-000000000000}. The subscriber returned HRESULT 80010105.
For more information, see Help and Support Center at
http://go.microsoft....link/events.asp.
It also talks of a COMRes.dll, whic I've done a search for both from a , what is it and have I got it in System32 folder, yes.
I'm pretty sure it's is some hardware/driver conflict. Hence the MS Event Logs are not always ver helpful, unless the message means something to you/me.
The original timing changes I made on Friday seems to have held firm with no more blue screen crashes etc. This point may tell a bit more of the story on it's own.
Sorry if I'm appearing a bit 'blonde' here.
Thanks