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Missing or Corrupt ntoskrnl.exe file

In Windows NT based operating systems, ntoskrnl.exe runs as a critical process in the boot-up cycle of your computer. It is the kernel image for operating system and is responsible for system services like memory management, hardware virtualization. ntoskrnl.exe corruption primarily occurs due to operating system malfunctioning, unexpected system shutdown, malicious software like virus (w32.bolzano and variants) and more. Two foremost hazards that you might encounter after corruption of this file can be unbootable computer system and data inaccessibility. In such circumstances, the best way to recover your inaccessible data is by restoring it from an up-to-date backup. However, if no backup is available, then you need to use advanced Data Recovery Software to comprehensively recover your data.

In most cases, you might encounter any of the below error messages after ntoskrnl.exe file is either corrupt or missing:

“<windows root>
System32NTOSKRNL.EXE is missing or corrupt”


“Windows NT could not start because the below file is missing or corrupt:

Drive Letter:WINNTSystem32Ntoskrnl.exe”

One of the above error messages can appear during system bootup. To resolve the issue, you will need to recreate ntoskrnl.exe by using these steps:

  1. You need to firstly insert the Microsoft Windows XP CD.
  2. Reboot your system. Next, press any key to boot from the CD.
  3. Press R on the Microsoft Windows XP setup screen to enter the Recovery Console.
  4. Enter the administrator password (if any).
  5. Use the following command:

expand d:i386ntoskrnl.ex_ c:windowssystem32

  1. Type Y and then press Enter to overwrite the file.
  2. Type exit to reboot your system.

However, if you still receive any of the above error messages, then you will need to go for clean operating system reinstall. A clean reinstall will erase all data from the selected hard drive partition. To comprehensively recover and restore your lost files and folders, you will need to use powerful Data Recovery software.

Such utilities ensure absolute recovery and restoration of data from a formatted hard drive partitions. These utilities use advanced scanning methods to perform absolute Data Recovery. With rich graphical interface and user-friendly documentation, these Data Recovery Tools serve as self-explanatory applications.

Windows Data Recovery is the most powerful Data Recovery Software . This recovery tool is compatible with more than 300 diverse file types which can be further extended. It supports FAT16, FAT32, vFAT, NTFS and NTFS5 file systems. It supports Windows Vista, XP, 2003 and 2000.

K madhav is a student of data recovery and file recovery software.

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