Blue Screen error

My PC has gone to the "blue screen" of death and is telling me that the
"registry entry of sys32 cannot be loaded-it is either missing or corrupt"

does any one know how to deal with this?

jon
stewartjeAsked:
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CrazyOneCommented:
This is for XP but it works for Win2000 also

HOW TO: Start Your Computer by Using the Last Known Good Configuration Feature in Windows XP
http://support.microsoft.com/default.aspx?scid=kb;en-us;307852&sd=tech

How to Start Your Computer with the Last Known Good Configuration
To start your computer by using the last known good configuration:
Start your computer.
When you see the "Please select the operating system to start" message, press the F8 key.
When the Windows Advanced Options menu is displayed, use the arrow keys to select Last Known Good Configuration (your most recent settings that worked), and then press ENTER.
If you are running other operating systems on your computer, use the arrow keys to select Microsoft Windows XP, and then press ENTER.
-----------------------------------


HOW TO: Start Your Computer by Using the Last Known Good Configuration Feature in Windows XP
http://support.microsoft.com/default.aspx?scid=kb;en-us;307852&sd=tech

BEGIN ARTICLE

The information in this article applies to:
Microsoft Windows XP Home Edition
Microsoft Windows XP Professional

IN THIS TASK

SUMMARY
How to Start Your Computer with the Last Known Good Configuration
Troubleshooting

REFERENCES
SummaryThis article describes how to use the Last Known Good Configuration feature in Windows XP.

The Last Known Good Configuration feature is a recovery option that you can use to start your computer by using the most recent settings that worked. The Last Known Good Configuration feature restores registry information and driver settings that were in effect the last time the computer started successfully. Use the Last Known Good Configuration feature when you are unable to start Windows XP after you make a change to your computer, or when you suspect that a change that you just made may cause a problem. For example, you can use this feature if you are unable to start Windows XP after you install a new driver for your video adapter, or if you installed an incorrect driver, and have not yet restarted your computer.

When you start your computer using the last known good configuration, Windows XP restores information in the following registry key:
HKEY_LOCAL_MACHINE\System\CurrentControlSet
Note that any changes that were made to other registry keys remain.

How to Start Your Computer with the Last Known Good Configuration
To start your computer by using the last known good configuration:
Start your computer.
When you see the "Please select the operating system to start" message, press the F8 key.
When the Windows Advanced Options menu is displayed, use the arrow keys to select Last Known Good Configuration (your most recent settings that worked), and then press ENTER.
If you are running other operating systems on your computer, use the arrow keys to select Microsoft Windows XP, and then press ENTER.

Troubleshooting
The Last Known Good Configuration feature provides a way to recover from configuration problems such as newly installed drivers that may be incorrect for your computer's hardware. It does not correct problems that are caused by missing or corrupted drivers or files.
The Last Known Good Configuration feature uses information that is saved from the last time you shut down your computer to restore registry settings and drivers. Because of this, you can use this feature only if you were able to start your computer successfully prior to restoring your system by using the last known good configuration.
After you start your computer by using the last known good configuration, changes that were made since the last successful startup are lost.

ReferencesFor additional information about how to restore Windows XP, click the article numbers below to view the articles in the Microsoft Knowledge Base:
Q306084 HOW TO: Restore Windows XP to a Previous State
Q306546 HOW TO: Use the Driver Roll Back Feature to Restore a Previous Version of a Device Driver
back to the top

First Published: Sep 14 2001 1:39PM

COPYRIGHT NOTICE. Copyright 2002 Microsoft Corporation, One Microsoft Way, Redmond, Washington 98052-6399 U.S.A. All rights reserved.
 
END  ARTICLE  
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CrazyOneCommented:
Note the following approcah will not replace any system files.

Can you boot to your Win2000 CD? If so then when it finally boots At the "Welcome to Setup" screen, press F10, or press R to repair, and then C to start the Recovery Console this will allow you to use the command line. From here do something like the following. Or if the file system is FAT32 you can use a Win98 bootdisk to do this. www.bootdisk.com

COPY /Y C:\WINNT\repair\RegBack\TheParticularHive C:\WINNT\system32\config\

This will replace the registry hive to the last time that hive was bacped up. Hopefully you didn't backup the registry at the time the problems started to happen.

Following is a list of the files that are the registry hives. I would suggest starting with the SYSTEM hive and then reboot and if the problem still persists do the SOFTWARE hive next. Note these files don't have a file extension on them

DEFAULT
SAM
SECURITY
SOFTWARE
SYSTEM

For the SYSTEM hive you could try the following before doing the copy method.

ren c:\WINNT\system32\config\SYSTEM SYSTEM.bak
ren c:\WINNT\system32\config\SYSTEM.alt SYSTEM

I would suggest to first BACKUP these hives from the C:\WINNT\system32\config\ to folder of your making or choice just don't back them up to the C:\WINNT\repair\RegBack\ folder.  

You will probably need to reapply any services patches that you have previously installed.
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stewartjeAuthor Commented:
can not boot to system but will try the recovery.  thanks.

jon
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