On my Panasonic Cf 27 Touchbook running Windows 2000, boot fails with the following error message:

Windows Could Not Start Because the Following File Is Missing or Corrupt: WinntSystem32ConfigSystemced

How can I restore it?



According to Microsoft, there are several potential causes:

This behavior can occur if one of the following conditions is true:

A Promise Technology, Inc. ATA66 PCI controller thẻ is installed in the computer. This issue typically occurs during the Windows 2000 installation process. (Which means that this is not likely the cause in your case.)

The System hive in the registry is damaged or missing.

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Windows 2000 may be unable khổng lồ load the registry if it is too large. This issue can occur when a process writes too much data lớn the System subkey in the registry. The System subkey is designed khổng lồ contain only the information that is necessary to boot the computer.

Computers that are based on Hãng sản xuất Intel architecture or ARC (RISC) architecture can only use 16 megabytes (MB) of memory at this stage of the boot process. The System registry subkey has khổng lồ tóm tắt the 16 MB with the loader, kernel, HAL, and boot drivers. In some instances, the form size of the System subkey may be 13 MB or larger.

BTW, The letters "ced" at the end of the error message are not really part of the error message. The previous screen included these letters và was not completely erased when the error message appeared.


I"ll include only the portion relating lớn the second bullet, since the first potential cause isn"t applicable in your case.

Restore a Backup of the System Hive

IMPORTANT: This procedure will not work on an active directory domain name controller, because if you use the REPAIR thư mục system hive sầu, then you are no longer a domain name controller.

Use the Repair Console tool to lớn replace the backup copy of the System hive sầu from the repair thư mục. If the Repair Console tool is not installed on your computer, you can run it from the Emergency Repair process:

Use the Windows 2000 CD-ROM or the Windows 2000 Startup disk to start the computer. When you see the "Welcome to Setup" message, press R for "repair." Press C khổng lồ run the Recovery Console tool. Select the installation that you want lớn repair. Type the administrator password.

If the computer is a domain controller, type the password for Directory Services Restore Mode when you are prompted khổng lồ vì chưng so.For additional information about the Recovery Console tool, clichồng the article numbers below lớn view the articles in the Microsoft Knowledge Base:

239803 How khổng lồ Change the Recovery Console Administrator Password on a Domain Controller 223301 Protection of the Administrator Account in the Offline SAM

At the Recovery Console command prompt, type the following commands, pressing ENTER after you type each command:

cd system32config

ren system system.old

ren system.alt systemalternative text.old

If you have sầu run the Emergency Repair Disk Wizard from Windows Backup và Recovery tools, copy the backup of the System hive from the %SystemRoot%RepairRegbachồng folder.

If you have sầu not run the Emergency Repair Disk Wizard, copy the default System hive sầu from the %SystemRoot%Repair folder.

IMPORTANT: You need to lớn restore the most recent copy of the System hive. You also need to reinstall any hardware device drivers or programs that run as services that you installed since the last time that you updated your Emergency Repair Disk.

To copy the mặc định System hive sầu, type the following comm&, & then press ENTER:

copy c:winnt epairsystem c:winntsystem32config

To copy the System hive that was backed up the last time that you ran the Emergency Repair Disk Wizard, type the following commvà, and then press ENTER:

copy c:winnt epair egbacksystem c:winntsystem32config

At the command prompt, type exit, & then press ENTER khổng lồ restart your computer.

Reduce the Size of the System Hive

If a large number of resources are shared on the computer, the registry may become too large. To resolve sầu this issue, use the following steps.

Start registry editor (Regedt32.exe). Locate and cliông xã the following key in the registry: HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesLanmanServerShare On the Registry thực đơn, cliông xã Save Key. In the File name box, type Shares.new, & then cliông xã Save sầu. Locate and cliông xã the following key in the registry: HKEY_LOCAL_MACHINE On the Registry thực đơn, clichồng Load Hive sầu. In the list of files, cliông chồng the System.old file, and then cliông chồng mở cửa. In the Key Name box type System.old, & then click OK. Locate & cliông chồng the following key in the registry: HKEY_LOCAL_MACHINESYSTEMSelect Note the setting for the Default value.

Locate & cliông xã the following key in the registry HKEY_LOCAL_MACHINESystem.oldControlSetxServicesLanmanServerShares

where x is the number that you noted in step 8.

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On the Registry thực đơn, clichồng Save sầu Key. In the File name box, type Shares.old, và then clichồng Save. Restore the Shares.new key to lớn the System.old registry hive: HKEY_LOCAL_MACHINESystem.oldControlSetxServicesLanmanServerShares Cliông chồng the HKEY_LOCAL_MACHINESystem.old key. On the Registry menu, clichồng Unload Hive. Quit Registry Editor. Restart the computer khổng lồ the Recovery Console.

At the commvà prompt, type the following lines, pressing ENTER after you type each line: ren system system.org

ren system.old system

At the commvà prompt, type exit, và then press ENTER to lớn restart the computer.

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