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Error oxc0000056 On system restore, fails and get error 0xc0000056. How to correct?

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You may have a faulty hard disk. If you are using a bootable recovery disk you may be able to check the HDD for errors. See if there is a diagnostic or console facility on the recovery disk. Try the command CHKDSK C: /F /R.

Posted on Jul 23, 2013

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Windows faild to start ststus:0xc0000034 info:An unexpected error has occurred

Via Microsoft

  • Mismatched system files have been installed.
  • A Service Pack installation has failed.
  • A backup program that is used to restore a hard disk did not correctly restore files that may have been in use.
  • An incompatible third-party program has been installed.

  • So in short to fix the error you need to boot into safe mode and restore the pc to earlier date b4 the error displayed.

    Aug 10, 2011 | Computers & Internet

    1 Answer

    I cannot exit safe mode on my lenovo G550 laptop. I have system restored. booted, and failed booting. Also I restarted the computer many times completely.

    Symptons like these usually are due to corrupted data file that is why you Operating System is not loading correctly. Normally an OS reinstallation is the fix. You can shut down the computer and press the OKR button next to the power with an arched arrow sign from the computer turned off and it will restore the system to the default, however everything is gonna be wiped out but guaranteed you system will be error free.

    Apr 03, 2011 | Lenovo G550 Notebook

    1 Answer

    The error message says fatal system error.

    Hi. The STOP 0xC000021A error occurs when either Winlogon.exe or Csrss.exe fails. When the Windows NT kernel detects that either of these processes has stopped, it stops the system and raises the STOP 0xC000021A error. This error may have several causes. Among them are the following:
    • Mismatched system files have been installed.
    • A Service Pack installation has failed.
    • A backup program that is used to restore a hard disk did not correctly restore files that may have been in use.
    • An incompatible third-party program has been installed.
    Booting the computer to its Last known good configuration will resolved the issue. Please see procedure below:

    Turn of the computer
    Keep on tapping F8 key the moment you press the power button
    You should be getting a advanced boot screen
    Select Last known good configuration from the selections then hit enter
    Computer should be booting up by now to windows

    All the best!

    Jul 24, 2010 | Acer TravelMate 2480-2968 Notebook

    1 Answer

    My daughter has windows vista installed on her computer, somehow she cannot login using her password she probably forgot..the error message states The User Profile Service service failed the logon..user...

    1. Login to the Safe Mode and then perform the steps as mentioned in this page to resolve it.

    NOTE: To login to the Safe Mode, press the F8 key at startup or whn the Computer starts.

    2. Try performing the System Restore.

    System Restore removes system changes that were made since the last time you remember your computer working correctly. This feature allows the user to revert crucial operating system files back to a previous recorded state. System Restore does not affect your personal data files, so you won't lose changes made to these files.

    Open System Restore by clicking the Start button, clicking All Programs, clicking Accessories, clicking System Tools, and then clicking System Restore.‌ Administrator permission required. If you are prompted for an administrator password or confirmation, type the password or provide confirmation.

    Or check this link to perform the System Restore.

    Check this link also for more information and resolve the error message.

    Good Luck!!!!!!!!!!

    Oct 11, 2009 | Dell Computers & Internet

    2 Answers

    A Disk read error occured PressCtrl+Alt+Del to restart.

    If you are getting a disk read error, you will need to use a program like spinrite to fix it or you will need to replace the hard drive.
    This is one error you don't want to see. It means your hard drive is failing.
    You will not be able to do a system restore as long as you get this error.

    Sep 22, 2009 | Computers & Internet

    1 Answer

    Lost of Hibernation

    his Stop message indicates that the requested page of kernel data from the paging file could not be read into memory. This Stop message is usually caused by a bad block (sector) in a paging file, a virus, a disk controller error, or failing RAM. In rare cases, it is caused when nonpaged pool resources run out. It is also caused by defective hardware.
    User Action:
    If the I/O status is C0000185 and the paging file is on a SCSI disk, the disk cabling and SCSI termination should be checked for problems. Check your computer for viruses, using any up-to-date, commercial virus scanning software that examines the Master Boot Record of the hard disk. An I/O status code of 0xC000009C or 0xC000016A normally indicates the data cannot be read from the disk due to a bad block (sector). If you can restart the system after the error, Autochk runs automatically and attempts to map out the bad sector. If Autochk does not scan the hard disk for errors, manually launch the disk scanner. Run Chkdsk /f /r on the system partition. Restart the system before the disk scan begins. If you cannot start the system due to the error, use the Recovery Console and run Chkdsk /r . Caution: If your system partition is formatted with the FAT file system, the long file names used by Windows 2000 can be damaged if Scandisk or another MS-DOSbased hard disk tool is used to verify the integrity of your hard disk from an MS-DOS prompt. (An MS-DOS prompt is typically derived from an MS-DOS startup disk or from starting MS-DOS on a multiboot system.) Always use the Windows 2000 version of Chkdsk on Windows 2000 disks. Another common cause of this Stop message is failing RAM. Run hardware diagnostics supplied by the system manufacturer, especially the memory scanner. For details on these procedures, see the owners manual for your computer. Check that all network adapters in the computer are properly seated. Use an ink eraser or an electrical contact treatment, available at electronics supply stores, to ensure network adapter contacts are clean. Check the System Log in Event Viewer for additional error messages that might help pinpoint the device causing the error. Disabling memory caching of the BIOS might also resolve it. Finally, if all the above steps fail to resolve the error, take the system motherboard to a repair facility for diagnostic testing. A crack, a scratched trace, or a defective component on the motherboard can also cause this error. For more troubleshooting information about this Stop message, refer to the Microsoft Knowledge Base at

    Jul 12, 2009 | Microsoft Windows Vista Home Premium with...

    1 Answer

    Cant get windows xp to load

    Hit F8 while it is booting up and take it into SAFE MODE if at all possible. From there run an error check.

    Go to My Computer - right click on C: -- go to properties - then select Tools - error check. Make sure you check the two boxes to have windoews fix the errors as they are found. The error check should run after you restart your computer.

    if it still doesn't load.. reboot while presssing F8 and take it into safe mode and use SYSTEM RESTORE to restore computer to earlier date.

    Go to:
    START - ACCESSORIES - SYSTEM TOOLS -- SYSTEM RESTORE. and then select a date computer was working ok.

    May 27, 2009 | Compaq Evo N600c Notebook

    1 Answer


    Hi, This is a known error and according to Microsoft could be caused by any of the following: ?Mismatched system files have been installed. ?A Service Pack installation has failed. ?A backup program that is used to restore a hard disk did not correctly restore files that may have been in use. ?An incompatible third-party program has been installed. This is better explained at;en-us;156669&Product=winxp Hardware side, replacing either the CD or the HD drive (or sometimes, the cable) in some instances would rectify the error. Hope this be of some help. Good luck and kind regards.

    Oct 08, 2007 | PC Chips M981G Motherboard

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