Try temporary disable anti-virus program.

>Dear all,
>
>Recently, one of my client's machine need to take up to 5 mnutes to shut down. What will be the possible facts, and is there any clues to make the time shorter?
>
>The configuration of the machine is:-
>Pentium 4 150 GHz
>All in one Intel 845G Motherboard
>20GB ATA100 Harddisk; 250MB internal Zip Disk at IDE 0
>24X CDROM and LiteON 32X CD-RW at IDE 1
>256MB DDR RAM
>
>Because some installed programs on the harddisk lost its install program disk, In order to maintain the original setting. I install Win98SE on the original installed c:\windows folder by overwritng it.
>
>The Programs on the machine is :-
>Win98SE
>MS Office 2000 Standard edition
>Norton Antivirus 2000
>
>
>
>Regards,
>
>Ransome