I pulled this from the following Website:
http://www.aumha.org/kb.htm
If you want to read it there go to there knowledge base
and do a search on "XP restarts at shutdown and choose the
1st link.
UDFRINST. Several people solved this reboot-on-shutdown
problem by deleting the UDFRINST file. This file is part
of the Roxio CD-RW software for systems not using Direct
CD.
CDRALW2K.SYS. Correspondent Larry Blumette identified the
CDRALW2K.SYS file (version 1.0.0.1048) as the Roxio file
causing his shutdown problems and error conditions. When
he deleted or renamed this one file, his problems went
away. (Of course, you lose your CD functionality that way,
too.)
Video Pack 5. Roxio's Video Pack 5 causes the same problem
because it contains includes the main parts of Easy CD 5.
SOLUTION: Uninstall Video Pack 5 and also delete
CDRALW2K.SYS (Tip from Christian Männchen). However, this
solution may also have the side-effect of disabling access
to your CD or DVD drive. SOLUTION TO THE SIDE-EFFECT:
Apply one of the repair methods in MSKB Article 270008,
Code 31 Messages Occur After Removing Adaptec Easy CD
Creator 4.02c in Windows 2000 (Tip from Peter Kingsley).
Whether or not APM is enabled makes a difference - but the
effect could go two ways. Some users report that XP
reboots on shutdown if APM is enabled, but shuts Windows
down just fine if APM is disabled. Other users report
exactly the opposite behavior. According to Jack Dunne,
this is similar to a known Windows 2000 problem. The issue
seems related to the computer's specific hardware or BIOS -
so, as with all NT operating systems, stick to the
Hardware Compatibility List where possible.
USB Connections As can be seen from remarks in the Misc.
Hardware Issues section below, several different USB-
related issues can impact shutdown. One of the most
concrete examples was a "reboot on shutdown" problem
contributed by correspondent Rick Bross. If his several
USB devices (PDA cradle, flash card reader, etc) were
plugged into the motherboard's USB ports, his computer
would reboot on an attempted shutdown; but when, instead,
he plugged them into an external USB 2.0 hub, shutdown
went just fine. (This was with Win XP Professional SP1 on
a Supermicro X5DAE dual Xeon motherboard. The same devices
plugged into an Asus A7M-266D dual AMD 2000MP system on
the same OS worked without problem.)
"Wake on" power settings Power-management settings that
have the computer "wake" on LAN, USB, modem, or (for that
matter) probably anything else may also trigger a restart
after shutdown. Correspondent Simon Wei provided this tip
after a friend of his found an old old Logitech USB mouse
would trigger "wake on USB" after every Windows shutdown.
Their solution was to remove that particular mouse and all
worked fine. The principle is much more far-reaching than
this one example.
Y-SB3 Logitech Internet Keyboard can also cause this
problem. If you use it as a simple generic keyboard,
there's no problem; but, if you install the Key Commander
software that drives the special Internet functions, Win
XP will restart instead of shut down. Unfortunately,
Logitech has decided that they will not be updating this
driver for this keyboard. (Tip from Jan K. Haak.)
Logitech MouseWare 8.6. Windows reboots when shutdown is
attempted. The software caused a BSOD with KBDCLASS.SYS.
Removing the software solved the BSOD the problem. (Tip
from Pablo Cheng.) MouseWare 9.0 and 9.1 also have been
linked to reboot-instead-of-shutdown in Win XP. Removing
the software resolves the problem. (Tip from Aswin Kindts,
Greg Williams, and others)
Webstar DPX USB cable modem. In the one case known to me,
the problem was solved by switching the modem's connector
from the USB 1.1 port on the motherboard to the USB 2.0
PCI card. (The modem was provided by Telewest Broadband,
manufactured by Scientific Atlanta.) (Tip from Ann L.
Goonan.)
