Fix! Sysprep Was Not Able To Validate Your Windows Installation

A very common problem is encountered by a lot of Windows users when they attempt to run the Sysprep program after downloading a few apps from the Windows store or while creating a new Windows 10 system to be utilized as a template. This issue states, ‘Sysprep was not able to validate your windows installation’. It’s an easy issue and can be fixed simply after going through this guide.

What Triggers The Sysprep Was Not Able To Validate Your Windows Installation Issue?

Well, if you go to the file specified in the issue and go through that, you’ll locate the possible reason for the problem. In diverse cases, it can differ, therefore, for the basic insight; it’s frequently because of the following factors:

  • Windows Store Applications: 

In a few cases, the issue occurs if you’ve downloaded a program from the Windows Application Store, which is stopping the program. Mostly, Twitter and Candy Crush were found to be such culprits.

  • Default Windows Applications: 

Another cause because of which the issue appears can be the removal of the default Windows tools. If you have, before running Sysprep, deleted any Windows default program that may be the reason for the problem.

Try Out The Following Fixes:

Getting onto the fixes, you can resolve the Sysprep was not able to validate your windows installation error by following these workarounds.

Fix#1: Remove The Upgrade Button From The Windows Registry

If you’re having this problem, then try to delete the upgrade key from your Windows Registry and see if the error remains. Follow these steps for carrying out this task.

  • First of all, click on the search button from the taskbar > enter Registry Editor and click to launch it.


  • From the left-hand side pane, navigate to HKEY_LOCAL_MACHINE > choose system > go to Setup.


  • From the right-hand side pane, remove the upgrade key.

delete upgrade button

  • A warning window will emerge. Simply click on yes.

warning window

  • Reboot the computer > see if the issue is fixed.

Fix#2: Uninstall Twitter & Candy Crush

For some odd cause, the majority of the users were facing this error because of the programs that they had downloaded from the Windows application store. If you’ve installed Twitter or Candy Crush on the system, then they can simply be the responsible party. If it’s the case, then you’ll need to delete both Twitter and Candy Crush from the system and then retry to run Sysprep simply. Here is how you can uninstall them:

  • First, navigate to the Start Menu > look for either Twitter or Candy Crush.
  • After that, simply right-click on the program > click on Uninstall option.
  • From the pop-up that appears, click on Uninstall.

Do the same for the other app you want to uninstall.

Fix#3: Installing The Default Windows App

If this issue is still appearing on the computer, then simply install the default Windows app and see if the issue is gone. For doing so, follow these steps:

  • First of all, click on the search button from the taskbar > enter Windows Powershell.
  • Then simply, right-click on it > choose Run as Administrator > simply run the ‘Get-AppxPackage -AllUsers| Foreach {Add-AppxPackage -DisableDevelopmentMode -Register “$($_.InstallLocation)\AppXManifest.xml”}’ command (without quotation marks) and when the procedure is finished, simply see if the problem is solved.

run as admin

Fix#4: Create A New Admin Account

If you’re unable to locate the Upgrade key in your Windows Registry and the fixe mentioned above don’t work out for you, then making a new admin account will surely resolve the problem. A few users have stated that upon making a new admin account and then removing all the older ones, their problem was fixed. Here is how you can do so:

  • First, you’ll need to make a new admin account. For that, make certain you are signed in as admin.
  • Then, simply hit the Windows + I buttons for launching Settings.
  • After that, navigate to Accounts > go to Family and other users.


  • Next, click on the Add somebody else to this PC option.

add somebody else

  • Then, click on I do not have this person’s sign-in information option.


  • Next, click the Add user without a Microsoft account option > type a username and password you prefer.
  • Once finished, click the recently made account > choose Change account type.
  • On the appeared pop-up, from the list beneath the Account type, simply select Administrator > click OK.
  • Now, reboot the PC and sign in utilizing the recently created account.

For deleting the old account, follow these steps:

  • Hit Windows + I buttons again > navigate to Accounts.
  • Go to the Family and other users section > choose the older account.
  • Simply click on Remove for deleting your user account.
  • Once finished, reboot the PC again and run Sysprep.

Please make certain that you remove all your previous accounts if you’ve more than one.

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