How to Fix Registry Errors on Windows 10, 8.1, 8, 7, Vista and XP

Did you ever pay attention to fixing the registry may speed up your computer? Or did you ever read that to get rid of Windows error, the fixation of registry error is a better option? Here we offer solutions for various Windows to fix registry error.

What is the registry?

It is an immense internal database that consists of nearly everything you have on your machine. It include

  • Profile Information
  • Installed Software and Drivers
  • System Settings
  • System Hardware

What causes a registry error?

  • Orphaned Entries
  • Duplicate Keys
  • System Shutdown Error
  • Fragmented Registry
  • Malware and Viruses

Before fixing any issue related to the registry, you should back up the registry to protect the setting.

  • Windows 8/8.1
  • Go to the right side of the screen or swipe to the upper right of the screen and find the option Registry error
  • Enter regedit and hit the enter button
  • Press the File and select the option Export
  • Type regbackup in the dialogue box and select the “My Document is the default”
  • Now press the save option


  • Windows Vista/ Windows 7
  • Go to the Start option
  • Select the File
  • Enter on the Export option
  • Enter regbackup in the dialogue box
  • Then select “My Document is the Default”
  • Now hit the save option


  • Windows XP

 Known good configuration

  • Turn on the machine
  • Hit F8 key right before the emergence of the Windows logo to launch latest Boot Option menu
  • Choose “Last known Good Confiuration” to start your computer
  • If Windows reboot with this method, then your problem might be resolved

Windows registry repair

  • Backup your important data
  • Insert the CD of Windows XP and reboot the machine
  • Enter R to initiate the Recovery Console from the screen of “Welcome to Setup”
  • Select installation of Windows XP
  • Type the administration password (if required)
  • Enter the commands as mentioned below which is helpful to backup the existing data

md tmp copy c:\windows\system32\config\system c:\windows\tmp\system.bak copy c:\windows\system32\config\softwarec:\windows\tmp\software.bakcopy c:\windows\system32\config\sam c:\windows\tmp\sam.bak copy c:\windows\system32\config\security c:\windows\tmp\security.bak copy c:\windows\system32\config\default c:\windows\tmp\default.bak

  • Now type the following data in the Command Prompt window

copy c:\windows\repair\system c:\windows\system32\config\system copy c:\windows\repair\software c:\windows\system32\config\software copy c:\windows\repair\sam c:\windows\system32\config\sam copy c:\windows\repair\security c:\windows\system32\config\security copy c:\windows\repair\default c:\windows\system32\config\default

  • If asked to overwrite the existing data, then select Yes to restore the Windows Registry
  • Remove the Windows XP CD. Type exit and hit the enter button. Your computer will restart in a little amount of time.
  • Now if there is an option come out, then select the option “Start Windows Normally”


  • Windows 10

Before the modification of the registry, you should backup the registry for  reinstallation. To fix the registry errors of the Windows 10, first, you have to block the Upgrade of the Windows by using any of the following steps:

  • Select the Computer Configuration
  • Click on Policies
  • Now go to Administrative Templates
  • Select Windows Components
  • Click on Windows Update
  • Now double click on Turn off the upgrade to the latest version of Windows through Windows Update
  • Finally, hit on the Enable option