From this page:
http://aumha.org/a/stop.ht
0x000000D1: DRIVER_IRQL_NOT_LESS_OR_EQ
(Click to consult the online Win XP Resource Kit article.)
The system attempted to access pageable memory using a kernel process IRQL that was too high. The most typical cause is a bad device driver (one that uses improper addresses). It can also be caused by caused by faulty or mismatched RAM, or a damaged pagefile.
Error Message with RAM Problems or Damaged Virtual Memory Manager {KB 810093} Win XP Home (during restart)
STOP:0xD1 Error Message When You Start Your Win XP-Based Computer {KB 316208} Win XP
Stop 0x000000D1 Error Message When You Turn Your Computer Off {KB 317326} Win XP (with USB device(s) connected)
STOP 0x000000D1 IRQL_NOT_LESS_OR_EQUAL Kbdclass.sys Error Message When You Try to Shut Down the Computer {KB 810980} Win 2000, Win XP (Logitech mouse with outdated MouseWare software)
STOP 0xD1 error message when you start your Win XP-based computer {KB 839876} Win XP (ACPI issue, a Hotfix is available)
WRQ AtGuard Program Causes Error Message in Win XP {KB 319870} Win XP (AtGuard version 3.22)
Stop Error Message on Windows XP: STOP 0x000000D1 {KB 916595} Win XP (caused by certain network adapters and certain host firewall software; hotfix available)
Go to the actual page in order to be able to click on the embedded links. In the meantime, I would suggest you first test your RAM with the built-in Vista Memory diagnostic:
http://www.howtogeek.com/h
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by: Ghoti_AZPosted on 2008-12-18 at 10:06:29ID: 23205771
Did you just try to upgrade any device drivers? Try booting into 'Last Known Good' mode; you should be presented with this option if you bot the BSOD at bootup.
This error, sadly, can be caused by myriad other things, including heat problems, driver issues, or a dodgy power supply.