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Windows could not start because the following file is missing or corrupt: \system32\ntoskrnl.exe Please re-install a copy of the above file.

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Fix the problem

Best Method would be this one, if you have the Windows Disk.

Use the Bootcfg utility in the Recovery Console to correct the Boot.ini file: 1. Use the Windows XP CD-ROM to start your computer. 2. When you receive the message to press R to repair Windows by using the Recovery Console, press the R key. 3. Select the Windows installation that you want, and then type the administrator password when prompted. 4. Type bootcfg /rebuild, and then press ENTER. 5. When the Windows installation is located, the following instructions are displayed: Add installation to boot list? (Yes/No/All)
[Type Y in response to this message.]

Enter Load Identifier:
[This is the name of the operating system. Type Windows XP Professional or Windows XP Home Edition.]

Enter OS Load options:
[Leave this field blank, and then press ENTER]. After you perform the preceding steps, restart the computer, and then select the first item on the boot menu. This should allow Windows XP to start normally.

After Windows XP has successfully loaded, the Boot.ini can be modified to remove the incorrect entry.

Posted on Nov 11, 2008

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1 Answer

How can i reinstall the ntoskrnl.exe when it is corrupt


Assuming a couple of things:
1. Your OS is Windows XP
2. This is the error message you are getting -
"Windows NT could not start because the following file is missing or corrupt:
Winnt_root\System32\Ntoskrnl.exe
Please re-install a copy of the above file."

To reinstall notskrnl.exe, do this:
  • Start the computer by using your Windows XP CD-ROM. Press any key to boot from the CD.
  • After the setup files are finished loading press R to repair using Recovery Console.
  • When you are in the recovery console, select the installation to log on to (usually number 1), and then press ENTER.
  • Login to the Administrator account by typing the password for this account, and then press ENTER.
  • At the recovery console command prompt, type the following command, and then press ENTER:

    For Uni-Processor systems: expand <cd-drive>:\i386\ntoskrnl.ex_ <hd-drive>:\Windows\system32\ntoskrnl.exe
    For Multi-Processor systems:expand <cd-drive>:\i386\ntkrnlmp.ex_ <hd-drive>:\Windows\system32\ntoskrnl.exe
    Note In these two commands, the <cd-drive> placeholder represents the drive letter of your CD drive, and the <hd-drive> placeholder represents the drive letter of the hard disk on which windows is installed.
  • If you receive a prompt to overwrite the file, press Y.
  • Type exit, and press ENTER at the command prompt.
  • You should now be able to boot up properly.
  • Oct 14, 2013 | Dell LATITUDE Computers & Internet

    Tip

    Boot problems and their possible causes & resolutions


    Symptoms:
    Black screen
    "Invalid Partition Table"
    "Error loading operating system"
    "Missing operating system"


    Cause:
    Corrupt Master Boot Record (MBR)

    Resolution:
    Boot into Recovery Console and run "fixmbr" to repair the MBR

    --

    Symptoms:
    "A disk read error occurred"
    "NTLDR is missing"
    "NTLDR is compressed"


    Cause:
    Corrupt boot sector

    Resolution:
    Boot into Recovery Console and run "fixboot" to repair the boot sector

    --

    Symptoms:
    "BOOT.INI is missing or corrupt"
    "Boot device inaccessible"
    "Windows could not start because the following file is missing or corrupt:
    <Windows root>\system32\hal.dll"


    Cause:
    BOOT.INI missing, corrupt or out of date as a partition has been inserted

    Resolution:
    Boot into Recovery Console and run "bootcfg /rebuild" to repair the BOOT.INI

    --

    Symptoms:
    "Windows could not start not start because the following file is missing or corrupt:
    \WINDOWS\SYSTEM32\CONFIG\SYSTEM"


    Cause:
    Corrupt/missing system hive

    Resolution:
    1. Boot into Recovery Console and run "chkdsk C: /f" to check the system disk for errors and fix them, then reboot.
    2. If the error continues and System Restore is enabled, copy the system hive from the last restore point into \WINDOWS\SYSTEM32\CONFIG
    3. If the error continues, copy the system hive from \WINDOWS\REPAIR into \WINDOWS\SYSTEM32\CONFIG
    4. If the error continues, perform a repair installation by booting from the Windows installation media


    --

    Symptoms:
    "Windows could not start because of a computer disk hardware configuration problem.
    Could not read from the selected boot disk, Check boot path and disk hardware."


    Cause:
    Boot volume (with Windows folder) is not accessible as defined in BOOT.INI

    Resolution:
    Check the boot volume is accessible

    --

    Symptoms:
    Dual-boot 32-bit Windows and 64-bit Windows system reports "NTOSKRNL.EXE is corrupt" trying to boot into 64-bit Windows

    Cause:
    System volume contains an older boot loader than the boot volume requires - e.g. XP SP2 installed after XP x64

    Resolution:
    Copy NTDETECT.COM and NTLDR from XP x64 installation media to the root of the system volume

    on May 03, 2010 | Computers & Internet

    1 Answer

    When i switch on my Lenovo s10-2 notebook windows does not boot i get an error


    You'll need a repair disc or operating system disc to repair it. If you had a operating system disc you could get the file from it.

    Using a regular Windows Operating System disc, you boot to the disc, then press the R for repair to enter the repair or recovery console.
    Select the operating system, then enter your admin password which is blank in most cases so just hit enter.
    Type: Expand d:\i386\ntoskrnl.ex_ C:\Windows\System32.
    You should get a prompt asking you if you want to Overwrite the File.
    You should enter Y for yes, the press <ENTER> to Overwrite.
    Type exit, remove the disc from the DvD/CD drive.
    Reboot

    Apr 02, 2012 | Lenovo IdeaPad S10-2 Netbook

    1 Answer

    Windows root system32 ntoskrnl.exe missing or corrupt can you reinstall it without cd?


    you can install id using a USB drive.

    make your USB drive bootable and then copy the files from any other computer .

    Google out on how to make the USB bootbale.

    May 19, 2010 | Microsoft Windows XP Professional

    1 Answer

    Corrupt or missing file but have no disc drive as it is a note book please install a copy of above program windows root system32 ntoskrnl.exe


    IF YOU ARE USING A NOTEBOOK, IN MOST CASES YOU SHOULD HAVE A RESTORATION PARTATION ON YOUR HARD DISK.
    If this file on your CD/DVD is corrupt, the chances are good it will find many more needed to complete the installation.
    Find your restoration partation or get a good working copy or XP to install from.

    Oct 20, 2009 | Microsoft Windows XP Home Edition

    1 Answer

    I can't afford a brand new Windows XP boot disk Where


    You should be able to download that file from microsoft, or try googleing "ntoskrnl.exe"
    I done it for a missing dll file and found many places to download for free.

    May 17, 2009 | Compaq Presario 700 470024-192 Notebook

    2 Answers

    Windows won't start


    The ntoskrnl file (NT operating system kernel file) is one of the main Windows file. You can repair this file by inserting the Windows CD install disk and boot up with this CD. Follow the instructions to Install Windows but ignore the first Repair instruction (unless you have a repair disk sually a floppy disk) continue until you get a 2nd repair request, then select this repair.
    Windows install will then copy the main files and overright the corrupted ones. (your data and programs should remain intact).
    If you still have problems you most likely have to install Windows again.

    Best of luck, hope this works out for you, it is a pain having to install Windows again, sometimes it can't be helped.

    May 17, 2009 | Compaq Presario 700 470024-192 Notebook

    2 Answers

    <Windows root>\system32\ntoskrnl.exe.


    Do you have a Windows CD that came with your computer? If so do you know how to boot from it by inserting it into the drive and then pressing F12 just after you switch on your PC? If you can do this then you could try the "repair" option from Windows Setup, this might fix your missing PC problem.

    May 17, 2009 | Compaq Presario 700 470024-192 Notebook

    2 Answers

    How do I...


    NTOSKRNL.EXE is missing or corrupt.

    Related errors:

    Below is a listing of the full error message that may be related to this error.

    Windows NT could not start because the below file is missing or corrupt:
    C:\Winnt\System32\Ntoskrnl.exe

    Cause:
    Keyboard issue
    Miscellaneous corruption
    Corrupt boot.ini file.
    Missing boot.ini file.
    Missing or corrupt ntoskrnl.exe file.
    Windows NT installed on a partition bigger then 7.8GB
    Corrupted hard disk drive or severely corrupted Windows.
    Solution:
    Keyboard issue
    This issue has also been known to be caused by a short in the ground wire in the keyboard cable. Make sure this is not the cause of your error by replacing the keyboard with a different keyboard or simply just disconnecting the keyboard from the computer.

    Miscellaneous corruption
    Before trying any of the below recommendations it's recommend that you attempt to load the last known good configuration. Additional information about doing this can be found on document CH000626.

    Corrupt boot.ini file
    This issue is often caused when the boot.ini is missing or improperly configured. This issue often arises after a user has recently added or removed an operating system on the computer or added or removed hard disk drives in the computer.
    Make sure the line pointing to the operating system and it's drive and partition is properly configured in the [boot loader] and [operating systems] section. Additional information about boot.ini can be found on document CH000492.

    Missing boot.ini file
    Microsoft Windows XP users:
    If the boot.ini is severely corrupted or missing a user running Microsoft Windows XP can rebuild the boot.ini to resolve this issue. Additional information about rebuilding the boot.ini can be found on document CH000648.

    Microsoft Windows NT and Windows 2000 users:

    To restore the original boot.ini file in Microsoft Windows NT or Windows 2000 you will need an ERD and follow the below steps. If you do not have an ERD you will be unable to follow these steps.
    Boot the computer with your Windows NT three setup diskettes or the Windows 2000 setup disc.
    In the setup menu, type R to start the repair.
    When prompted for the ERD diskette insert the diskette and inspect the startup environment.
    Missing or corrupt ntoskrnl.exe file
    If the ntoskrnl.exe file is corrupt or missing this can also generate the error. To restore this file follow the below steps.
    Insert the Microsoft Windows XP CD. Note: If you have a recovery CD or a restore CD and not a Microsoft Windows XP CD it is likely the below steps will not resolve your issue.
    Reboot the computer, as the computer is starting you should see a message to press any key to boot from the CD. When you see this message press any key.
    In the Microsoft Windows XP setup menu press the R key to enter the recovery console.
    Select the operating system you wish to fix, and then enter the administrator password.
    Type expand d:\i386\ntoskrnl.ex_ c:\windows\system32
    You will then be prompted if you wish to overwrite the file type Y and press enter to overwrite the file.
    Type exit to reboot the computer.
    Windows NT installed on a partition bigger then 7.8GB
    If you are running Microsoft windows NT 4.0 on a partition larger than 7.8GB this issue can occur if the boot files are located outside this limitation. When this error occurs your computer will have the

    error message as shown below.

    OS Loader v4.01
    Disk I/O error status=00000001
    Windows NT could not start because the below file is missing or corrupt: winnt\system32\Ntoskrnl.exe
    Please reinstall a copy of the above file.

    If your system partition is larger than 7.8GB you will need to delete the partition and recreate the partition to 7.8GB or less. Additional information about this issue can be found on Microsoft KB Q224526.

    Corrupted hard disk drive or severely corrupted Windows
    Attempt to check the hard disk drive for any errors by running the chkdsk error. To do this follow the below steps.

    Insert the Microsoft Windows XP CD. Note: If you have a recovery CD or a restore CD and not a Microsoft Windows XP CD it is likely the below steps will not resolve your issue.
    Reboot the computer, as the computer is starting you should see a message to press any key to boot from the CD. When you see this message press any key.
    In the Microsoft Windows XP setup menu press the R key to enter the recovery console.
    Select the operating system you wish to fix, and then enter the administrator password.
    Once at the recovery console type chkdsk /r
    Once completed type exit and see if issue is resolved.
    If after trying all of the above steps you are still encountering the same issue it's likely that Windows is severely corrupted and it is recommended you attempt to reinstall Windows. Additional information about erasing the computer and starting over can be found on document CH000186.
    Finally, if during the Windows installation you encounter errors it's likely that your hard disk drive is bad.

    Oct 09, 2008 | Dell OptiPlex GX110 PC Desktop

    2 Answers

    Startup problem


    From: http://www.computerhope.com/issues/ch000646.htm If the ntoskrnl.exe file is corrupt or missing this can also generate the error. To restore this file follow the below steps. 1. Insert the Microsoft Windows XP CD. Note: If you have a recovery CD or a restore CD and not a Microsoft Windows XP CD it is likely the below steps will not resolve your issue. 2. Reboot the computer, as the computer is starting you should see a message to press any key to boot from the CD. When you see this message press any key. 3. In the Microsoft Windows XP setup menu press the R key to enter the recovery console. 4. Select the operating system you wish to fix, and then enter the administrator password. 5. Type expand d:\i386\ntoskrnl.ex_ c:\windows\system32 6. You will then be prompted if you wish to overwrite the file type Y and press enter to overwrite the file. 7. Type exit to reboot the computer. If you only have a restore CD, this probably won't work. You should just start the restore all over again, if this is the case.

    Jun 05, 2007 | Acer Aspire 5003WLMi Notebook

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