Facing Registry Error 0x00000051 During Backup

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After booting my PC it started well, but after some time it stopped working and pop up a dialog box giving registry error 0x00000051. How to solve this error?

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Best Answer by Sharath Reddy
Answered By 0 points N/A #295368

Facing Registry Error 0x00000051 During Backup


This error occurs due to corrupted installation of device drivers. It can also appear because of a conflict after the installation.

If you are professional in PC service or have good knowledge of these settings, then you can try to rectify the error manually. Following these steps can be dangerous if any one of it goes wrong so be careful while doing these:

  1. Go to Start button and in the search box type ‘command’ and press ‘Ctrl + Shift +Enter.’
  2. To allow program to make changes to your PC click ‘Yes.’
  3. In the opened tab, press ‘Enter’ after typing ‘Regedit.’
  4. Now select the key corresponding to the error you want to resolve.
  5. In the ‘File’ menu, click ‘Export.’
  6. Select the location where you want to save the key for backup in the ‘Save in’ list.
  7. Enter the name of the backup file in the ‘File Name’ box
  8. Select the ‘Selected branch’ in the ‘Export Range’ box and press ‘Save.’
  9. After this, it will save the backup and now you can go on to edit the Registry.

A better solution to this is to start a troubleshooting wizard to detect the error or download the software to rectify the error.

Best Answer
Best Answer
Answered By 590495 points N/A #296309

Facing Registry Error 0x00000051 During Backup


That’s the infamous BSOD or blue screen of death. Whenever you encounter this, the cause of the error is normally indicated on the first part of the message. In your case, it seems the problem is with your registry indicated by “REGISTRY_ERROR”. Unfortunately, that’s the most delicate part of the operating system.

Applications store items on the registry for proper functioning that’s why it is very vital to the operating system. At this point, try shutting down your computer for about 30 seconds. You don’t need to unplug it from the power. Just turn it off for awhile. After this, try turning it on again and see if you can get it to boot up.

If you were able to successfully boot the computer, download PC Tools Performance Toolkit. Follow the instructions to download and unpack and then install it. Once installed, start PC Tools then go to “Performance” tab and click “Clean Your Registry”. This will allow PC Tools to diagnose your Windows registry and look for problems.

On the next screen, make sure “Complete Registry Scan” is selected then click “Start Scan”. Wait until the scan is complete. When it is finished, you should see all the items in the registry that needs fixing. Click “Repair”. After this, close PC Tools then restart your computer. See if this works.

On the other hand, if you cannot boot the computer normally, try it using the “Last Known Good Configuration” option. Restart your computer then press F8 on your keyboard before the Windows logo appears. In “Advanced Options Menu”, select “Last Known Good Configuration (your most recent settings that worked)” then hit Enter twice. If this works, follow the instructions above to fix the registry problem.

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