FYI, SANS Diary just posted an entry on XP SP3 Issues at
"According to an article published by Information Week, the newly released
XP SP3 is causing systems to blue screen (aka BSOD) on AMD based systems.
Microsoft and HP seem to think its center around the Power Managment
Here is an example of a message you might receive:
A problem has been detected and Windows has been shut down to prevent
damage to your computer...
*** STOP: 0x0000007E (0xC0000005, 0xFC5CCAF3, 0xFC90F8C0, 0xFC90F5C0
HP has posted a work around that has you go boot into Safe Mode and
disable the Intel Power Management.
ISC contributors also sent in links to a blog by Jesper Johansson. The
blog contains loads of information on the issue and a link to Jesper's
"small tool that will detect the IntelPPM problem and mitigate it before
installing the service pack".
For free SP3 MS support call (866) 234-6020 ("Free unlimited installation
and compatibility support is available for Windows XP, but only for
Service Pack 3 (SP3). This support for SP3 is valid until April 14,
And an older diary entry notes the following wrt XP-SP3:
"retrofits some of the Vista functionality into XP, namely in the area of
Network Access Protection, Black Hole Router Detection, enhanced security
for administrator and service policy entries (basically some better
default settings) and a kernel mode crypto driver. Additionally, some of
the "optional" updates released since SP2 will be installed with SP3 (MMC
3.0, MXSXML6, WPA2 support, etc)."