Windows And XP Dual Boot NTOSKRNL.EXE Is Missing Or Corrupt?
Jun 22, 2012
have a Toshiba Satellite A505-S6980 Windows 7 Home Edition Premium Edition laptop. I recently tried to dual boot with Windows XP Professional service pack 3 iso cd. I partitioned my primary windows 7 drive and installed the windows xp on the smaller partition. The windows xp was working fine then I downloaded easybcd and tried to add XP to my OS choices menu, while logged on my XP partition, and then each time I try to load XP from now on I get a blank screen that says Windows could not start because the following file is missing or corrupt: [CODE]
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May 26, 2011
Recently installed Windows 7 64 bit on my main hdd (had previously had it installed as 32 bit). Now my back-up drive gives me this error. The back up drive does not have windows installed on it, and is not a boot drive. But when it is connected I get this message: "Windows root system32 ntoskrnl exe missing or corrupt." In order to boot on my main drive, I have to disconnect the back up drive.
I don't understand where to reinstall the missing file - if I put it in the Windows 7 files, won't that mess up my main drive?
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Nov 12, 2011
I recently upgraded from WinXP x32 to Win7 Ultimate x64 and kept getting the:"Windows rootsystem32 toskrnl.exe is missing or corrupt" when attempting to boot.
My system:
CPU: Core2 Quad Q8300
Hard Drives:
Primary (System) = Western Digital 300GB 10,000rpm
Secondary (Data) = Western Digital 1T-GB 7,200rpm
*External cloned CasperXP backups for BOTH on matching HDs -- However the backup Sys HD is still configured w/WinXP x32 until I can get all problems ironed out.
Problem Discovered:Upon booting the OS is pointing to the Secondary HD as Primary,however, once booted the C: drive is indeed the intended 300GB and Secondary is the 1T-GB HD.
How Discovered:I needed to relaunch the OLD XP system to access some old Firefox Bookmarks so replaced Sys HDs. Had to reconfigure boot sequence to get OLD x32 OS HD to boot (successful). Saved Bookmarks and shut down. Replaced the Old x32 Sys HD with the New x64 Win7 OS HD. Then got the above error repeatedly. Played with boot settings and BIOS settings for an hour before identifying that the x64 Win7 OS would ONLY boot with the Secondary Data HD listed as the Primary Boot Device. Do note that the OS files are all on the 300GB Primary even as the boot sequence points to the secondary HD.
QUESTION:Is it possible to correct this situation WITHOUT having to do a clean install of Win7 x64 with the 1T-GB Secondary Data Drive disconnected, in other words doing a clean install with ONLY the 300GB Primary connected?
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Dec 1, 2009
I have an Acer Aspire one. It came with XP and I have it dual booting into Windows 7 which is working well which I installed from a USB Drive as this model doesnt have a CD Drive.
In the main boot screen it says "Earlier version of Windows" For XP and "Windows 7" for windows 7. All was working well until yesterday...
Now I can't boot into "Earlier version of Windows" i.e. XP. It gives me the C:\windows\system32\config\system is missing or corrupt message. I can boot into Windows 7 fine but all of my work stuff is on the XP platform (I know I can access the files from "7" but I need to get it operational again).
Any ideas? Can I do a repair from the USB Drive?..I've tried a couple of things to boot from the USB Drive but to no avail. And I can't find the BOOT.INI file from XP (I think it gets moved to Windows 7's hidden boot partition when I installed it. I cant seem to access that partition either).
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Mar 9, 2009
after installing Windows 7 64bit, I start suffering from the next message:
windows 7 could not start because the following file is missing or corrupt: <Windows root>system32
toskrnl.exe
This issue continue occuring even after I tried several repairs of the OS. The strange thing is that only happen if remove the original disk from the DVD reader. If I leave the cd, the error does not occurred and the windows reboot normally.
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Jan 17, 2013
When I installed Windows 7 Pro x64 today, I did a custom install but I didn't format my drive beforehand. After it restarted the first time, it came up to a screen that said this: Code: Windows could not start because the following file is missing or corrupt:< Windows root>system32toskrnl.exe.Please re-install a copy of the above file After several failed attempts my Dad somhow got it to install properly, and it worked fine until I needed to reinstall updates. When it restarted again, the same screen came up. I put in the Windows 7 DVD and restarted, this time it booted without any problems. My boot is setup as "Boot from CD/DVD Drive" first, and "Boot from HDD" second. But when it said "Press any key to boot CD/DVD" I didn't press anything, and it just moved on normally.
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Sep 17, 2011
I have an Advent Roma 2001 configured, in PC World style, with a "recovery partition" alongside the system partition and, after resolving a hard disk problem, I found that the machine would not start/boot Windows 7. clearly some necessary files are missing or corrupted, but the normal system recovery tools have not solved the problem(s). I'm familiar with the process for resurrecting XP, but not its counterpart for Windows 7 the files and steps for doing this are rather different. it would seem that pretty much everything else is in place on the hard disk, but certain recovery programs report "0" Windows installations when Win 7 is still in place where it was before the disk problem, e.g. it is available to be selected by the main recovery/startup program...this prog can "see" it, but can't access/boot it.I can breathe some life into this anaesthetised device sooner rather than later...I may as well work my way through the whole lot rather than using a trial and error method that might take a long time.
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Sep 17, 2011
I have an Advent Roma 2001 configured, in PC World style, with a "recovery partition" alongside the system partition and, after resolving a hard disk problem, I found that the machine would not start/boot Windows 7. clearly some necessary files are missing or corrupted, but the normal system recovery tools have not solved the problem(s). I'm familiar with the process for resurrecting XP, but not its counterpart for Windows 7...the files and steps for doing this are rather different. it would seem that pretty much everything else is in place on the hard disk, but certain recovery programs report "0" Windows installations when Win 7 is still in place where it was before the disk problem, e.g. it is available to be selected by the main recovery/startup program...this prog can "see" it, but can't access/boot it.
files, command line statements, etc. so that I can breathe some life into this anaesthetised device sooner rather than later...I may as well work my way through the whole lot rather than using a trial and error method...that might take a long time. however, I'm also happy to be advised on the approach if and where this unnecessary or inadvisable.
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Nov 9, 2011
My laptop advent won't boot. Start up repair wont work, even a system repair cd wont fully load. Only thing i can get to is launch repair your computer, and the only thing that works there is command prompt.
Tried fixboot & fixmbr... They worked but rebuildbcd never finishes.
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Aug 8, 2012
I have dual boot with Xp and windows 7.when i log into my Xp all the restore points being deleted from windows 7.when i check the disk management information in 7 it shows windows 7 create a logical drive with my Xp primary drive.even i am hide the drive from both windows means Xp drive from windows 7 and vice verse.So i like to unmount or remove the drive partition of windows 7 from Xp and Xp primary from windows 7.So that they dont affect each others system files with being deleted the partitions.
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Aug 6, 2011
I started the StartUp Repair again and it has this error: Code: Root cause found:
Boot manager is missing or corrupt.
Repair action: File repair.
Result: Failed. Error code = 0x15
time taken = 0 ms
What does this mean?
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Dec 21, 2012
I want to install Windows 7 home premium and got the ISO done with windows 7 usb download tool and unetbootin. When i try booting the USB i get "ntdlr is missing or corrupt press ctrl alt delete to restart"
I swiped the whole HD so there is no current partition on it. The usb is new and fat32 formatted with the 3GB windows 7 iso imgage on it..
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Sep 29, 2011
About 6 months ago I set up a new machine dual boot using GParted with the following configuration:
/dev/sda1 ntfs (Windows 7 system reserved) 100 MB
/dev/sda2 ntfs (Windows7 C: drive) 99 GB (includes 4 GB of preloaded page file space)
/dev/sda3 ntfs (Shared drive - Windows7 E: Drive / Ubuntu sda3) 801 GB
/dev/sda4 extended partition 32 GB
/dev/sda5 ext4 (Linux Root) 30 GB
/dev/sda6 linux-swap 2 GB
I set it up so that I could access my E: drive from either the windows or ubuntu operating system. It has worked perfectly so far (about 6 months). But, here is the problem:For some reason as the share drive (my E: drive / sda3) grows Windows thinks that the windows system drive (sda2/c:drive) is also growing. So that now I have a low storage warning stating that there is only 8.76 GB of free space left on my 99 GB C: drive. When, in reality, there should be about 77 GB of free space. I've made hidden files/folders viewable and downloaded treesizefree so I know what should be on the drive. The Treesizefree output shows the expected 22 GB of space but also shows only 9 GB of free space. So, the missing space is nearly exactly the size of my shared drive (sda3/E:drive). So somehow, I think the windows OS is double counting my shared E: drive against my C: drive.
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Dec 22, 2009
I partitioned my HD in attempt to dual boot linux. But with a botched install of linux, I am now getting the above error when I try to boot back into windows. I have booted from an install dvd, gone to the command prompt and ran these commands I found in another thread.
bootrec /fixmbr
bootrec /fixboot
bootrec /rebuildbcd
All three commands were completed successfully but in the end, still no go. Any other suggestions I could try?
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Aug 26, 2011
i have windows xp as my primary boot windows and windows 7 as my secoundary windows ,xp is on c drive and 7 is on d drive my windows xp create a problem so i install a fresh a copy of xp now my xp is working properly but dual boot option is missing that shown on startup
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Mar 1, 2012
I have two disks 0 & 1 in my PC & each has two partitions. I had first installed Win xp on 1st Partition of Disk1 & checked the system is running perfectly. Afterwards I installed Win7 on 1st Partition of Disk 0 & checked the system booting/working in Win7 perfectly but now I can't acces my Winxp. Whenever I try to boot from Disk 1 it gives a message "NTDLR missing".
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Aug 24, 2009
I spent the day trying to fix my operating systems boot.
Earlier in the day i tried to install a MacOSX (I've formated the second hard-drive asoff now) on a seperate hard-drive (CRIVE AKA Windows 7 drive was unplugged). After i was done i decided to plug in the c drive because i wanted to get on windows to setup dualboot. But for some reason it said bootmgr missing...
I've tried bootrec /fixboot and the other ones.
I just checked my drive somehow Cdrive turned in to D drive would that be the problem? Could somebody please show me a way to change from D drive to C drive?
If this would help nail the problem. Also tried to boot the hard-drive from my laptop via esata. I get a different problem i get a blue screen during the Windows seven loading screen. Heres the stop code: 0x0000007b.
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Nov 20, 2009
I have a hp dv 6000 i was trying to dual boot my pc with win 7 and xp pro, with win 7 installed first. in order to install xp i had to disable my sata native. I can dual boot but on my xp its seem I'm missing alot of drives. I have no internet or sound,
any suggestions?
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Jun 14, 2010
I've just built my own computer with a friend and we installed windows 7 and it worked fine for 3 days. Then it started to not respond. Restarted the computer and it wouldn't start up again, came up with a bunch of errors. So I reformatted and it says "windowssystem32driverwdf0100.sdf is corrupt or missing." I've tried system repair but it won't work. It won't open command prompt or anything.
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Sep 2, 2011
1. Same computer in my signature/specs except for the optical drive.
2. Hardware passes Windows 7 compatibility test.
3. The install DVD can be read properly. Creating an ISO image of it works perfectly. No read errors on the disk itself.
4. The optical drive is practically brand new, the cable is brand new, never had any I/O errors using this drive.
5. RAM passes MS memory testing 6 times. 0 errors.
6. Windows 7 Ultimate install fails at the same point, during file unpacking, 3 times. Says files are missing or corrupt.
The install disk was created at home from an ISO download, student licensed Windows 7 Ultimate, 32 bit but I don't think that really matters. See #3.Is there anything else left to look at? Any ideas why this won't work?
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Jun 9, 2011
Windows/system32/drivers/ql2300.sys missing or corrupt shows it after boot What can i do? I haven't got that file...
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Feb 15, 2012
when i turn on my acer laptop all it does is show a error massage saying windows could not start because bootvill.dll file is missing or corrupt. i dont have a cd-rom because it a notebook. i downloaded a regeristy cleaner to a flash drive but when i put it in the pc still goes to that error massage i also change the boot order to start from my flash drive but it still when back to the error screen . i used the alt + f10 that gotten me into the system restore it when half way done than whent back to the error screen anything else i can try?
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Jan 26, 2012
I have recently setup a raid 0+1 array on a computer with 4 identical hard drives. I installed windows 7 and the installation without a hitch. However on the reboot a windows error message appears and says the following:
File: \Windows\system32\ntoskrnl.exe
Status: 0xc0000221
Info: Windows failed to load because the kernel is missing, or corrupt.
I have tried many things in an attempt to resolve this issue. I have tried reinstalling, using a different DVD drive and removing the RAID array to no avail. I have also disconnected the hard drive which is not associated with the RAID array also to no avail.
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Jan 26, 2012
Just got all the parts yesterday, put i all together today, all is running fine.Just in case i'll post the components:
Gigabyte 990fx-ud3
Amd fx-8120
Gigabyte hd8950 OC
HyperX 2x4GB 1600Mhz
So i bought Windows 7 Home Premium from the same store i got this at (Webhallen, pretty much swedens largest component retailer) to replace the standard Home edition (which i got with my "old" packard bell!).
I have 2 HDDs, one from the packard bell (1tb) and one i recieved from a friend, a 320gb seagate. I ran with both in my packard bell for a while, using the 320gb for the system. It ran without any problems.So, i boot the CD, go through the setup and format the 320GB. (I also formatted some reserved space for OEM files from the Packard bell harddrive since i won't be using the packard bell any time soon).I proceed with the installation.The copying of the files goes very quick and when it reaches the expanding of files it takes ages before it finally comes to the error:Windows cannot install required files. The file may be corrupt or missing. Make sure all files required for installation are available, and restart the installation. Error code: 0x80070017.Immedieatly i whipped up the laptop and googled it, trying the different "sollutions" to no avail, like simply trying to install again without rebooting, taking out a RAM stick and only running with one in the master slot, taking out all excess Harddrives etc etc. i also ran Memtest86, clean, no errors!
I tried install Ubuntu on it, but that didn't go well either. It loaded for ages and then i got a very strange horizontal black and white striped screen, the black stripes being jagged and pixelated.I found my old windows 7 home cd from my packard bell and tried installing with that one. Same result, Error code: 0x80070017.
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Oct 29, 2011
I turned on my pc, and it would not let me get past start up, saying
file : Windowssystem32
tkrnlpa.exe
status : 0xc00000e9 Info:
Windows failed to load because the kernel is missing or corrupt
I tried a few things, mostly the startup repair option that it would (recommend) to me next to the start windows normally option. this did absolutely nothing, and the problem continued. So I said ok, I give up, and decided to back up everything and completely reformat and reinstall windows. I did this, it installed successfully. I couldn't believe it...even after completely reformatting, I could not get past start up. The system repair option still does nothing, even with the disc in and I tried reinstalling it a bunch of times, but now it wont even do that correct all the way through, keeps coming up with errors talking about files either missing or corrupt. I wiped partitions and tried again alot of times, but nothing. Now it doesnt even recognize windows 7 as being installed at all. [URL]
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Jan 21, 2012
installing Windows 7 on a virtual machine.I have 178MB RAM (which I know isn't enough), but it does the Starting Windows screen before the installation, but then it comes up with this error: File: windowssystem32configsystem Status: 0xc0000001 Info: Windows failed to load because the system registry file is missing, or corrupt.
I have no other OS on the virtual machine.
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Mar 19, 2011
I just built my first computer and was happy to turn it on. When I tried to install Windows 7 I received the error in the title. I had Windows XP on the computer before but formatted it all to two 80GB NFTS partitions. When I try to boot up the Windows 7 recovery disc(or XP for that matter), my moniter goes off, saying no signal(The Windows 7 install disc is the only disc that I've tried that actually boots). I am about to try booting the recovery console off of a USB. Is there anything else that might alleviate this problem? Everything is checked and works fine inside the case.And just to make sure, I have no operating system, so after the BIOS screen the moniter will say no signal anyway, with a disc in or not.
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Aug 27, 2012
i have windows 7 Starter and bought the disk to upgarde it to windows professional, so i put dvd into dvd-unit... duh and after loading two white bars for secondary boot device it displays the hell message "winload is missing or corrupt..." i have already tried EVERYTHING on the forums and on the web including all the bootrec processes, rebuilt bcd, get a new copy of winload switching carpets, and modding BCD file to specify diferent routes for windows to search the file.. and yet nothing...I personally think the problem is that my C: drive it's partitioned in 3 one called system backup (wich is the standar recovery console for vaio, another partition of around 10 gb named System reserved and the free space where windows is located.
Administrador de arranque de Windows
----------------------------------
Identificador {bootmgr}
device partition=C:
description Windows Boot Manager
locale en-us
[code]...
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May 22, 2012
My Acer laptop is suddenly having this issue and will not boot into windows in any mode including safe mode. I tried using a recovery disc with no luck. I can get to the command prompt from the recovery disc and I tried fixboot and fixmbr with no results.
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Sep 20, 2012
I face issue with my acer 5738G. Its shows boot mgr missing or corrupt. System repair does not work. It shows unable to repair offline. While trying to install OS all over again it stuck in a blue screen with a message "starting setup ". I am blackout without my laptop.
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Jul 17, 2011
I am helping a friend out with her computer, she had one of those annoying viruses that say you have a bunch of things wrong and try to get you to buy stuff and a few others that I can't remember. I ran malaware bytes and got rid of them all. I thought that would be the end of it. She wanted Itunes and it would never install and the error message for it was related to windows updates. She purchased the computer last may and I was looking at the updates and all of the updates have failed since then, first being service pack 1. It wouldn't automatically do it, so I downloaded the standalone file and it would tell me it was unsuccessful and to restart the computer and try again. I downloaded the readiness tool, ran it, didn't work, ran it in aggressive mode, that didn't work. So I gave up and was going to reset it back to factory. The F8 command for the advanced boot methods does have "repair your computer" option but I click it and it just starts windows normally. Over and over. I made a repair disc through the windows options, and dell data safe, and when I boot from them I get the winload.exe file is missing or corrupt status: 0xc000000d and when I use dell data safe program to restore back to factory, it restarts and gives me the same thing. I have googled all day and searched forums for hours and I am getting nowhere. Resetting it to factory was going to be the easy way for me, and now I just want to throw the thing out the window.
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