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HELP!!! What to do with " <Windows root>\system32\ntoskrnl.exe error?!?!

By spitknievel ·
One of my user is using Toshiba Satellite A50, OS is win xp pro sp2 and intel pentium mobile, he told me just this afternoon he's laptop hungs up and when he tries to restart, cannot so what he do is he manually turn the power - off. then when it turns on, he received this error message : Windows could not start because the following file is missing or corrupt: <Windows root>\system32\ntoskrnl.exe. Please re-install a copy of the above file. How?? Pls help!!! Thanks!!

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Safe Mode F8

by spitknievel In reply to HELP!!! What to do with " ...

i try safe mode, windows open to the safe mode options - i choose SAFE MODE only, then after it shows :

Multi(0)disk(0)rdisk(0)partition(1)windows\system32\ntoskrnl.exe

one line only... and nothing happens...

help!!

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Reponse To Answer

by danrcf In reply to Safe Mode F8

For Windows XP


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.

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Follow this link

by Jacky Howe In reply to HELP!!! What to do with " ...

it should get you up and running.

http://support.microsoft.com/kb/314477

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HELP!!! What to do with " \system32\ntoskrnl.exe error?!?!

by pablo1319 In reply to Follow this link

Tried all of the methods from that Microsoft Link, the one that workS for me was the Method 2 which is the command BOOTCFG /REBUILD and it works real good.
Thanks for the info Jacky!

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Your welcome {nt}

by Jacky Howe In reply to HELP!!! What to do with " ...
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A few things to try out................

Sometimes when you fix one issue, you get another, that is why i am posting a few helpful hints here.
Hope all works out for you.

Repair Install.

If XP is corrupted to the point where none of the previous solutions get it to boot,
you can do a Repair Install that might work as well as keep the current settings.
Make sure you have your valid WindowsXP key.
The whole process takes about half an hour depending on your computer
If you are being prompted for the administrator's password, you need to choose the 2nd repair option, not the first.
1.Insert and boot from your WindowsXP CD
2.At the second R=Repair option, press the R key
3.This will start the repair
4.Press F8 for I Agree at the Licensing Agreement
5.Press R when the directory where WindowsXP is installed is shown. Typically this is C:\WINDOWS
6.It will then check the C: drive and start copying files
7.It will automatically reboot when needed. Keep the CD in the drive.
8.You will then see the graphic part of the repair that is like during a normal install of XP (Collecting Information, Dynamic Update, Preparing Installation, Installing Windows, Finalizing Installation)
9.When prompted, click on the Next button
10.When prompted, enter your XP key
11.Normally you will want to keep the same Workgroup or Domain name
12.The computer will reboot
13.Then you will have the same screens as a normal XP Install
14.Activate if you want (usually a good idea)
15.Register if you want (but not necessary)
16.Finish
17.At this point you should be able to log in with any existing accounts.
........................................

NTOSKRNL Missing or Corrupt

If you get an error that NTOSKRNL not found:
1.Insert and boot from your WindowsXP CD.
2.At the first R=Repair option, press the R key
3.Press the number that corresponds to the correct location for the installation of Windows you want to repair.
Typically this will be #1
4.Change to the drive that has the CD ROM.
5.CD i386
6.expand ntkrnlmp.ex_ C:\Windows\System32\ntoskrnl.exe
7.If WindowsXP is installed in a different location, just make the necessary change to C:\Windows
8.Take out the CD ROM and type exit
.........................................

Corrupted or Missing \WINDOWS\SYSTEM32\CONFIG
If you get the error:
Windows could not start because the following files is missing or corrupt
\WINDOWS\SYSTEM32\CONFIG\SYSTEM or \WINDOWS\SYSTEM32\CONFIG\SOFTWARE
1.Insert and boot from your WindowsXP CD.
2.At the first R=Repair option, press the R key
3.Press the number that corresponds to the correct location for the installation of Windows you want to repair.
Typically this will be #1
4.Enter in the administrator password when requested
5.cd \windows\system32\config
6.Depending on which section was corrupted:
ren software software.bad or ren system system.bad
7.Depending on which section was corrupted
copy \windows\repair\system
copy \windows\repair\software
8.Take out the CD ROM and type exit
.........................................

NTLDR or NTDETECT.COM Not Found

If you get an error that NTLDR is not found during bootup,
If you have FAT32 partitions, it is much simpler than with NTFS.
Just boot with a Win98 floppy and copy the NTLDR or NTDETECT.COM files
from the i386 directory to the root of the C drive.
For NTFS:
1.Insert and boot from your WindowsXP CD.
2.At the first R=Repair option, press the R key
3.Press the number that corresponds to the correct location for the installation of Windows you want to repair.
Typically this will be #1
4.Enter in the administrator password when requested
5.Enter in the following commands (X: is replaced by the actual drive letter that is assigned to the CD ROM drive.
COPY X:\i386\NTLDR C\:
COPY X:\i386\NTDETECT.COM C
6.Take out the CD ROM and type exit

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Janice is another

by Jacky Howe In reply to A few things to try out.. ...

one who doesn't bother to reply back.

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similar problem

by jennajoy83 In reply to HELP!!! What to do with " ...

i am having the same problem (missing/corrupt) I have tried using my recovery disk but it diverts me to the recovery partition and won't allow me to use the disk as a back door.... This computer has crashed once b4 and that is when the recovery console was first installed on the computer.

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And you can't use the recovery partition?

by seanferd In reply to HELP!!! What to do with " ...

And what file is missing or corrupt? ntoskrnl?

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Yes

by jennajoy83 In reply to HELP!!! What to do with " ...

Yes that is the missing file. But my boss said to **** with it and went and bought a new comp so now I just have to recover the old files and I am doing that as we speak so I'm good now thanks.

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