error 0x00000044

Problem signature:  
Problem Event Name:    BlueScreen  
OS Version:    6.0.6002.2.2.0.768.3  
Locale ID:    1033 
Additional information about the problem:  
BCCode:    44
Source
BCCode: 44   0x00000044
This is almost always a driver or something causing a driver failure or even an interaction
of two drivers. Have you added new hardware lately or updated drivers - also check in
Control Panel - Windows Updates to see if any drivers have been updated there.
BCCode: 44   0x00000044
Cause
A driver has called IoCompleteRequest to ask that an IRP be completed, but the packet has already been completed.
Resolving the Problem
This is a tough bug to find because the simplest case — a driver that attempted to complete its own packet twice — is usually not the source of the problem. More likely, two separate drivers each believe that they own the packet, and each has attempted to complete it. The first request succeeds, and the second fails, resulting in this bug check.
Tracking down which drivers in the system caused the error is difficult, because the trail of the first driver has been covered by the second. However, the driver stack for the current request can be found by examining the device object fields in each of the stack locations.
BCCode: 44   0x00000044  <-- read this link
http://www.faultwire.com/solutions-fatal_error/MULTIPLE-IRP-COMPLETE-REQUESTS-0x00000044-*1083.html?order=date
======================================
Look in the Event Viewer to see if anything is reported about those.
http://www.computerperformance.co.uk/vista/vista_event_viewer.htm
MyEventViewer - Free - a simple alternative to the standard event viewer of
Windows. TIP - Options - Advanced Filter allows you to see a time frame instead
of the whole file.
http://www.nirsoft.net/utils/my_event_viewer.html
Here are some methods to possibly fix the blue screen issue. If you could give the Blue Screen
info that would help. Such as the BCC and the other 4 entries on the lower left. And any other
error information such as STOP codes and info such as IRQL_NOT_LESS_OR_EQUAL or PAGE_FAULT_IN_NONPAGED_AREA and similar messages.
As examples :
BCCode: 116
BCP1: 87BC9510
BCP2: 8C013D80
BCP3: 00000000
BCP4: 00000002
or in this format :
Stop: 0x00000000 (oxoooooooo oxoooooooo oxooooooooo oxoooooooo)
tcpip.sys - Address 0x00000000 base at 0x000000000 DateStamp 0x000000000
This is an excellent tool for posting Blue Screen Error Information
BlueScreenView scans all your minidump files created during 'blue screen of
death' crashes, and displays the information about all crashes in one table -
Free
http://www.nirsoft.net/utils/blue_screen_view.html
Many BlueScreens are caused by old or corrupted drivers, especially video drivers
however there are other causes.
You can do these in Safe Mode if needed or from Command Prompt from Vista DVD or
Recovery Options if your system has that installed by the maker.
This tells you how to access the System Recovery Options and/or from a Vista DVD
http://windowshelp.microsoft.com/Windows/en-US/Help/326b756b-1601-435e-99d0-1585439470351033.mspx
You can try a System Restore back to a point before the problem started if there is one.
How to Do a System Restore in Vista
http://www.vistax64.com/tutorials/76905-system-restore-how.html
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Start - type this in Search Box ->  COMMAND   find at top and RIGHT CLICK  -
RUN AS ADMIN
Enter this at the prompt - sfc /scannow
How to analyze the log file entries that the Microsoft Windows Resource Checker (SFC.exe)
program generates in Windows Vista cbs.log
http://support.microsoft.com/kb/928228
The log might give you the answer if there was a corrupted driver. (Does not
tell all the possible driver issues).
Also run CheckDisk so we can rule out corruption as much as possible.
How to Run Check Disk at Startup in Vista
http://www.vistax64.com/tutorials/67612-check-disk-chkdsk.html
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Often updating drivers will help, usually Video, Sound, Network Card  (NIC), WiFi, 3rd party
keyboard and mouse, as well as other major device drivers.
Manually look at manufacturer's sites for drivers - and Device Maker's sites.
http://pcsupport.about.com/od/driverssupport/ht/driverdlmfgr.htm
How to Install a Device Driver in Vista Device Manager
http://www.vistax64.com/tutorials/193584-device-manager-install-driver.html
How To Disable Automatic Driver Installation In Windows Vista - Drivers
http://www.addictivetips.com/windows-tips/how-to-disable-automatic-driver-installation-in-windows-vista/
http://technet.microsoft.com/en-us/library/cc730606(WS.10).aspx
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How to fix BlueScreen (STOP) errors that cause Windows Vista to shut down or restart
unexpectedly
http://support.microsoft.com/kb/958233
Troubleshooting Vista Blue Screen, STOP Errors
http://www.chicagotech.net/vista/vistabluescreen.htm
Understanding and Decoding BSOD (blue screen of death) Messages
http://www.taranfx.com/blog/?p=692
Windows - Troubleshooting Blue Screen Errors
http://kb.wisc.edu/page.php?id=7033
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In some cases this might be required.
StartUp Repair from Recovery Options or Vista disk
How to do a Startup Repair
http://www.vistax64.com/tutorials/91467-startup-repair.html
This tells you how to access the System Recovery Options and/or from a Vista DVD
http://windowshelp.microsoft.com/Windows/en-US/Help/326b756b-1601-435e-99d0-1585439470351033.mspx