It seems strange that the BSOD only happens at startup and shutdown, it suggests corrupt files to me.

Assuming you have the W98SE CD you could run the System File Checker (sfc) to check for corrupt or missing files. Do not put the CD in the drawer unless asked. Click Start, click Run and type sfc and hit OK. Your computer will test Windows and may well ask you for guidance, this will only be in cases where the installed driver is newer than the original so you would not allow the computer to change that back. If it finds corrupt files it may/will ask for your CD.

Christopher wrote I have done all the clean up and virus checks

What does that mean? Can you list the task for us please? What anti virus, firewall and other safety programs are you running?

I see you have a built in Verge S# video card, the latest driver available from ECS is dated 2004/07/03, you probably have those so updating may not be needed. Try clicking Start/Control panel/System/Device manager and look down the list for yellow marks, either exclamtion or question marks. Double click on anything to bring up Properties and have a looksee. Any irregularities?

You could also go to Control Panel>System> Devices. Click on that and see if you have any conflicts (yellow or red exclamation marks)

Maybe open a computer management window and look in its Event Logs for errors about startup/shutdown times. Maybe you'll get lucky.

%SystemRoot%\system32\compmgmt.msc /s

You could also go to Control Panel>System> Devices. Click on that and see if you have any conflicts (yellow or red exclamation marks)

None

What anti virus, firewall and other safety programs are you running?

E-Trust anti virus (none found)
Sygate personal firewall
spybot,ad aware,regclean,scan disk,defrag,
Ran sfc and it comes up clean

Maybe open a computer management window and look in its Event Logs for errors about startup/shutdown times.

Not sure how to do this.Thanks

Access Computer Management by right clicking myComputer and select 'Manage'

Or in the Run line off the Start button menu type in;
%SystemRoot%\system32\compmgmt.msc /s

Or quickly open event viewer by typing in the run line;
eventvwr.msc

Then probably will want to click on Applications and/or System and look for red X or yellow ! items ... double click those and it will give you a hint, and a link to a possible fix at microsoft support.

Access Computer Management by right clicking myComputer and select 'Manage'

Manage does not come up.

Try this:
To check for conflicts, open the Device Manager by clicking Start, choosing Settings, and clicking Control Panel. Double-click the System icon and choose the Device Manager tab. If a conflict is affecting any of your hardware components, you should see a warning symbol beside the device type. Potential warning symbols include a black exclamation point on a yellow background and a red "X," among others.
You didnt mention if you were getting any error message/fatal exception etc on the blue screen

No conflicts and there were error messages but cannot remember what they were,everything is working fine nowbut I was just wondering about the moniter which is about 6 years old,could it be going bad and is there some way to check?

What did you do to get it working again. Always nice to know on this end. Should you ever get a blue screen again, its imperative that you copy down the full error message word for word. They normally give an idea to those who help where the problem is.

What did you do to get it working again.
Not sure,except to unplug everything and plug it back in,could have been a loose cord I guess.