Dell :: Operating System Couldn't Be Loaded - Error 0xc0000001

Apr 15, 2013

So I recently got my brand new Alienware X51 with Win8 pre-installed. Everything went well and I have had no issues until our apartment got a black-out and my PC decided to die. When the power was back on, I tried turning it on, but instead got an error message. Here as follows:


Your PC needs to be repaired

The application or operating system couldn't be loaded because a requested file is missing or contains content errors.


Error code: 0xc0000001

Also I need to mention that I did NOT get any Recovery CD/DVD with the pc itself. What should I do??

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Dell :: Recovery - Your PC Couldn't Start Properly (0xc0000001)

May 26, 2013

my Dell Vostro was working without any issues untill last night where I got following Error-Message while switching it on:


Your PC needs to be repaired

The operating system couldnt be loaded because the system registry file is missing or contains errors.

File: windowssystem32configsystem

Error Code: 0xc0000001

So I went to this forum and found a thread where someone had a similar problem: [URL] .....

I cant make it to the "advanced repair options".

"Shift" + "F8" after System logo also doesnt work for me, trying to crash my system didnt make any success either.

Afterwards I ran the Diagnostics, where I got the following Error-Message:

**Hard Drive 0 - DST Short Test**

Test Results: Fail

Error Code 2000-0142

Validation 66405

Msg: Hard Drive 0 - S/N WD-WXJ1A81M0579, Short self test unsuccessful.

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Apr 1, 2014

I have a Dell XPS 420 and I've just bought an SSD for it. Every time I boot the machine I see "Operating system wasn't found" now, despite having booted into Windows successfully just before.

The only change I made was connecting a standard SATA 2TB drive - which it boots into fine - but now when I have removed the 2TB drive I cannot boot onto the SSD.

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Dell :: Inspiron I660s / Windows 8 - Downgrading Operating System

Dec 27, 2012

If I'll be able to downgrade the Dell Inspiron i660s-3848BK to Windows 7?  It ships with Windows 8 in a bundle through Walmart. My workplace already has the software and several additional licenses available for Windows 7 Enterprise.

I've been reading about how the BIOS will need to be changed.  Dell Support doesn't show the i660s as one of those computers that can be downgraded.

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Dell :: DUSB For Windows 8 - Error Loading Operating Files

Mar 23, 2013

I have a DUSB for windows 8. When i try to use it, gives a error message error loading operating files. I have disabled the secure boot and enabled the boot option to legacy and when loaded to F12 it gives option usb mass storage and when select that its gives the error loading operating files.

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Sep 15, 2014

I reinstalled windows 8.1 on my Samsung NP530U3C-A10EE. And now the problem this that I can't boot it without usb stick that contains windows installation files. I can boot up windows and remove the usb stick evertything is working perfectly, but if I try to boot up win without usb, it gives error "Operating system not found. Press CTRL+ALT+DEL to restart". VOLUME C: is one where windows are installed (SSD), System Reserved is the system partition that windows create automaticaly (SSD), volumes D: and F: are my hdd volumes D: is empty & F: is stored with my personal files (photos, music etc.)

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Windows 8.1 Keeps Crashing - Error 0xc0000001

Jul 1, 2014

My new build with windows 8.1 installs fine but keeps crashing not even long enough to create account.

The specs for my pc are:

AMD A8-6600k 3.90GHz
TeamGroup Vulcan ORANGE 8gb (2 x 4gb)
Gigabyte F2A88XM-HD3 AMD 88X
Kingston 120gb SSD
Superflower 300w Power Supply

When i first installed windows it worked for an hour or two then crashed, but now keeps crashing after minutes, and get the error code 0xc0000001 on startup.

Heres what i have tried so far:

Reinstalled windows 8.1 on same ssd and also tried it installed on a different HDD

Made sure cpu was correctly seated and checked everything is correctly connected.

Swapped RAM for another set which i know works from another computer

Flashed Bios to latest version

Run a cpu stress tests using UBCD which gave no errors

even tried installing windows 7 which still does the same

The pc never crashes in bios or when using UBCD.

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Debugging :: BSOD While Windows Is Loading - Error 0xc0000001

Apr 12, 2014

Randomly today my computer decided it did not want to boot. It originally had a different error code, but I found a tutorial on how to fix it, I followed the tutorial and my problem stayed the same but my error code changed. Basically something is wrong with my boot sector.

The initial code was 0xc0000225 and I used this tutorial to solve it: Solution to your PC needs to be repaired Error code: 0xc0000225

After that I got the new error: 0xc0000001. I have tried rebuilding the BCD, I have tried fixing the master boot record. I even started to go as far as to do a system "refresh" but windows told me that the HDD was locked and I have to unlock it to do a refresh, which Id much rather not do. When I tried to rebuild the BCD it detected my OS but when I told it to add it to the boot list it says "The requested system device cannot be found".

The weirdest thing is everywhere I look I am told to use the windows startup settings but they are totally missing from the menu. I booted to my bootable Windows 8 64 bit flash drive, selected repair my computer, then selected troubleshoot and advanced options and the only things that are available are system restore, system image recovery, automatic repair and command prompt. right under command prompt is where startup settings should be. I cant reformat because I have a lot of stuff that would take forever to get back like music etc.

Automatic repair didnt do anything. Safe mode does not boot either.

Laptop specs:
Asus VivoBook s500ca
Windows 8.1 Professional
8 gig of ram
intel i7 processor
HD 4000 graphics
500 gig HDD + 24 gig SSD (setup as cache)

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Debugging :: Error 0xc0000001 Prevents Windows 8.1 From Booting At All

Dec 24, 2013

- Upgraded to Windows 8.1 preview from Windows 8, works fine for weeks.

- Randomly crashed one day. I believe it may have been waking from sleep mode when this happened. It cited:


Your PC needs to be repaired

The application or operating system couldn't be loaded because a required file is missing or contains errors.

File: c:system32winload.exe
Error code: 0xc0000001"

- I've tried many recovery paths. BCDedit, bcdboot, fixboot, Windows 8 & 8.1 recovery media. For all of these I think I am either doing them wrongly or I get an error message that says it can't access/edit the bit where Windows 8.1 preview is.

- On a different drive I have a copy of Windows 8 that I used to clone to the other harddrive (now containing crashed 8.1 preview) over a year ago. They are unrelated I believe.

- There's a suspicious lack of Windows related folders on the D: drive containing the crashed Windows 8.1. D:windows doesn't exist and D:WINDOWS only contains one folder: "logs". The other folders such as "program files" are all locked.

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Mar 29, 2014

So my computer (HP pavilion HPE) BSOD'ed for the first time yesterday afternoon (running Windows 8.1, upgraded via download from original Windows 7, so I don't have a recovery disc). Along with the error code, the BSOD says that File: WINDOWSsystem32winload.exe is missing or contains errors.

I have tried pressing F8, Shift+F8, and holding Shift on start up, and nothing works. I know I'm supposed to upload dump files with this post, but I can't/don't know how to get my computer to the point where I can access these files. I can access the HP Startup Menu by pressing Esc on start up, which has an option to display System Information (not sure if below info is useful or not...):

Product Name: h8-1160t
Processor Type: Intel Core i7-2600 CPU @ 3.40GHz
Processor Speed: 3400MGHz
Processor Stepping: 000206A7 0000001A
Cache Size (L1/L2/L3): 64kBx4 / 256kBx4 / 8192kBx4
Memory: 8192 MB DDR3 / 1333 MHz / Dual Channel
Channel A: XMM1 0 MB / XMM2 4096 MB
Channel B: XMM3 0 MB / XMM4 4096 MB
Integrated MAC: 386077039221
System BIOS: CHG_711.ROM v7.11

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Jul 4, 2013

What does this error mean ?"CMOS checksum error - defaults loaded"

I 've removed the battery on the motherboard and it worked well . , But again there was the same error.

F 1 and F 2 keys do not work.

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How To Add Operating System To System Startup List

May 27, 2013

I have three operating systems on my pc. I only recently installed a windows 7 64 bit on a ssd but after doing so, I had to do a system image recovery to my windows 8 installation from a date prior to the new windows 7 install. This Windows 7 is not on the list of operating system options in system startup so how do I add it?

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Jul 23, 2014

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After initial setup, I installed Windows Firewall, Avast, and Chrome. That's it so far.

I ran updates I think the first one went through. The next one didn't. And I got that error. And I tried again a few times. I tried disabling all the security software. Still the same error.

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Jan 26, 2014

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I have tried entering manually through a command prompt but all I get is an error 0x8004F80B. How to resolve this?

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Jun 29, 2014

Whenever I try to sync my app licenses, I get the following error:

This is a fresh install.

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Jul 17, 2014

My father accidentally fell for the "your media player needs to be updated" and downloaded a ton of malware.

I used this guide: [URL]

And now it is running EXTREMELY slow and it can't load any Windows services on the computer. Any time I try to open a program it just stops responding.

Also while I was doing the malware removal "Safe mode with networking" was working fine. Now in the same "Safe mode with networking" the network isn't working. No internet available.

I am getting an error message "Failed to connect to system event notification center"

All the malware still isn't gone from Chrome but I need to fix this problem first.

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Aug 4, 2013

I got Huawei E220 3G USB dongle. I couldn't use it to connect to the internet on Windows 8 Pro x64.

Its giving Error 711. Saying Remote Access Connection Manager couldn't start. I went to services and tried to manually start it. But Its giving Error 20 as below.

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Error 711 / Couldn't Start Remote Access Connection Manager

Aug 4, 2013

I got Huawei E220 3G USB dongle. I couldn't use it to connect to the internet on Windows 8 Pro x64.

Its giving Error 711. Saying Remote Access Connection Manager couldn't start. I went to services and tried to manually start it. But Its giving Error 20 as below.

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Aug 7, 2014

My computer came with pre-installed Windows 8 Single Language but I can't active it. I contacted Microsoft but they didn't response. My error code: 0xC004F074.

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Jun 6, 2013

Friend of mine had a dual boot of windows 7&8 then, he tried to remove windows 8( it's partition was active but windows 7 wasn't active), he first deleted Windows 8 from msconfig then tried to delete the partition of windows 8( but Disk management didnt allow him neither easeus partition manager did, so he tried to keep windows 7 partition as active using easeus manager, then after completing the action, the PC failed to start, he tried automatic repair,but that bore no fruit... the PC says " Couldn't find any operating system, press ctrl+alt+del to restart...

edit: my idiotic friend after removing windows 8 from msconfig,upgraded win7 to Windows 8... suspect that MBR software has been corrupted... so is there any way to make his PC , boot again and remove the windows 8's( previously clean installed) partition ...

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Aug 7, 2013

I was using my laptop and this came up on my screen [URL] .... After my laptop restarted, I used it for about 5 minutes before it froze. When i next used my laptop, It stayed on the Toshiba screen (the first screen when the laptop is turned on). After about 3 or 4 minutes, the laptop opens the automatic repair feature and this comes up on the screen [URL] ..... I have tried tapping both F8 and F12 throughout start up to try and repair the computer although this doesnt work either. I have opened the boot menu and tried to select the HDD Recovery option although it says no bootable media, please restart system.

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Jan 24, 2013

Protected Operating System Files are appearing without uncheck hide Protected Operating System Files in Folder option:-

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I already have windows 8.1 installed in c: partition

I have created new partition ''New Volume :" to install windows server 2008 on it ,but when I try to boot from the CD to install it this message appear

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This is screenshot of disk management ...

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