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How to Fix “STOP 0xC000021A” Error in Windows Server 2003

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An error message while starting Windows Server 2003 system, halts the boot process and makes hard drive data inaccessible. A boot error message may appear owing to various reasons, the most common being system file corruption. Corruption of even a single system file (required at the time of boot process) halts the entire boot process. Just like other files, system files too are prone to corruption. And the cause of corruption can be virus attack, operating system damage, and human mistakes. To overcome system file corruption, a Windows user can format the system and restore data from an updated backup. However, in case no backup is available, a user needs to opt for a commercial Partition RecoverySoftware.

For detailed explanation of the above problem, consider the below error message that appears when you try to boot your Windows Server 2003 machine:

“STOP: c000021a {Fatal System Error}
The Windows Logon Process system process terminated unexpectedly with a status of 0xc0000034 (0×00000000 0×0000000)
The system has been shutdown.”

(0×00000000 0×0000000) parameters are specific to system’s configuration.

After the above error message pops up, the booting process stops, rendering to inaccessibility of the hard drive data.

Cause:

The above error message appears when the Windows NT kernel detects that Winlogon.exe and Csrss.exe processes have stopped. Winlogon.exe and Csrss.exe, are two very important system files that are required to boot system. This primarily occurs due to:

Installation of mismatched system files

Failed installation of Service Pack

Installation of incompatible third-party program

Corruption of these two files

Resolution:

To get past above boot error message and to access the data, you will need to:

Select ‘Last Known Good Configuration’ option to boot your system.

If the command does not work, then re-install Windows Server 2003 on your system.

Although re-installation allows you to overcome the above boot error message, it also deletes data from your hard drive. To recover data lost due to formatting, you need to use an effective third-party Partition Recovery application. Such Partition Recovery tools recover all formatted data from almost all kinds of formatted hard drives, including IDE, EIDE, etc.

Stellar Phoenix Windows Data Recovery makes sure that every file can be recovered after formatting. This recovery tool uses powerful scanning algorithms to recover all your lost files. Compatible with FAT12, FAT16, FAT32, VFAT, NTFS and NTFS5 file system, the Partition Recovery Software can be installed on Windows 7, Vista, XP, 2003, and 2000. Stellar Phoenix Data Recovery is a renowned name in the field of hard drive data recovery because of its proven track record to recover lost data data from hard drive and windows recovery.

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