Windows 10 failed to validate product key

The ‘Setup has actually failed to validay the product key’ error is typically encountered once customers attempt to upgrade to Windows 10 from an older Windows variation prefer Windows 7 or Windows 8.1 making use of an ISO file.

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‘Setup Has Failed to Validay the Product Key’ Windows Upgrade Error

What’s resulting in the ‘Setup Has Faibrought about Validate the Product Key’ Error?


3rd party AV interference – It has been shown that the upgrading utility can be interrupted from interacting with the external servers by an overprotective 3rd party suite. In this case, you have the right to resolve the problem by disabling real-time defense or by uninstalling the protection program altogether.Pessential vital is not attached to media installation – As it turns out, the concern can likewise be led to by a log file (setuperr.log) file in instances wright here the user tries to upgrade utilizing an installation media without a license key. In this case, you have the right to use the license crucial utilizing a collection of CMD commands.System File Corruption – System Documents corruption have the right to also be responsible for the apparition of this error message. Many most likely, a couple of corrupted dependencies are forcing the upgrading utility to finish the process prematurely. In this case, you deserve to resolve the trouble by running a finish DISM scan.Config Data is missing – Anvarious other potential scenario is a case in which the upgrading media that you’re using is absent a crucial config file that is needed for the installation. To settle it, you deserve to produce the config file conveniently making use of Notepad.

Method 1: Disabling third party AV (if applicable)

If you’re making use of a 3rd party security suite that often tends to be overprotective, it’s completely feasible that it ends up interrupting the connection between the upgrading setup through the outside servers.


In case this scenario is applicable to you and you’re making use of a 3rd party suite that might interfere via the upgrade, you must retry the upgrade after disabling or uninstalling the potential antivirus culprit.

If you discover yourself in this instance, begin by disabling real-time protection and also check out if the upgrade is successful. To do this, ssuggest accessibility the taskbar symbol associated with your AV and look for an alternative that disables the real-time defense.

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Disabling the real-time defense attribute of Avast

If this doesn’t job-related or you didn’t discover the indistinguishable option in your AV menus, attempt uninstalling the security regimen altogether to encertain that there are no defense rules that can influence this upgrading procedure. To carry out this, file this write-up (here) – it will present you exactly how to install your security regime and also ensure that you likewise rerelocate any kind of leftover documents that might still cause this behaviour.

In instance this method wasn’t applicable or it didn’t solve the underlying problem, relocate down to the following potential solve listed below.

Method 2: Running Disk Cleanup on the drive

As it transforms out, in a lot of cases, the ‘Setup has failed to validate the product key’ error will take place as a result of an error originating from the AppDataLocalTemp. It’s possible that the upgrading software will throw this error bereason it currently finds unpacked installer papers in the temp folder, so it decides that there’s proof of a security risk and also aborts the upgrading process.

If this scenario is applicable, you have to be able to resolve the problem by running the Disk Cleanup energy on your Windows drive and also encertain that the procedure will certainly finish up clearing the Temp folder. After doing so and refounding the machine, the upgrading procedure need to finish without concerns.

Here’s what you have to do:

Press Windows vital + R to open up a Run dialogue box. Next off, form ‘cleanmgr’ inside the message box and also push Enter to open up the Disk Cleanup energy. If you’re motivated by the User Account Control (UAC) window, click Yes to grant admin accessibility.Once you arrive at the Disk Cleanup: Drive selection phase, usage the drop-down food selection under Drives to pick your OS drive. It’s frequently C: but you have the right to identify it through the Windows logo design. With the correct drive selected, click on OK to conserve the changes.When you’re inside the Disk Cleanup home window, ensure that the checkboxes linked with Temporary Web Files and Temporary files are checked.Once everything is erected, click on Clean up mechanism files button and then confirm at the UAC prompt. You will certainly then be triggered by a different Disk Cleanup symbol wbelow you will certainly need to choose Temporary Web Files and also Temporary files once again prior to clicking Ok.At the final prompt, click Delete files to begin this procedure.Wait till the operation is finish, then rebegin your computer and check out if the problem is reresolved at the next system startup.After the following booting sequence is complete, repeat the upgrading process and also watch if you are able to execute it without encountering the error message.
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Cleaning up Temporary Files

In situation you’re still seeing the ‘Setup has fairesulted in validate the product key’ error, relocate down to the following strategy below.

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Method 3: Applying the Pvital manually

In case the problem is indeed related to data stored inside log records, it’s most likely as a result of setuperr.log file that is notoriously known for bring about the ‘Setup has faibrought about validate the product key’ error via upgrade attempts utilizing locally stored installation media.

If this scenario is applicable, you should have the ability to fix the problem by opening a command prompt and also running a command that adds the license vital to the folder where the installation media is stored.

Several influenced individuals that also encountered this problem have reported that the issue was readdressed completely when they percreated the instructions below. Here’s what you must do:

Press Windows key + R to open up up a Run dialogue box. Next, type ‘cmd’ inside the text box and push Ctrl + Change + Enter to open up up an elevated Command Prompt. When you check out the User Account Control, click Yes to give governmental privileges.Running Command PromptOnce you’re inside the Elevated Command Prompt, form the following command also to navigate to the place wright here the media installation tool save it’s files:

CD: C:ESDNote: If you required the Media Creation tool to keep it’s filed on a custom area, navigate tbelow instead.Next off, type the adhering to command also and press Enter to attach the product key to the media installation tool that is dealing with the upgrade:Setup /pessential xxxxx-xxxxx-xxxxx-xxxxx-xxxxxNote: *X* is simply a placeholder. Relocation it via the actual license crucial that you want to usage for the upgrading process.Close the elevated CMD, then start the upgrading procedure aacquire and watch if you’re still encountering the ‘Setup has faibrought about validate the product key’ error.In instance you’re still encountering the very same issue, relocate down to the next approach below.

Method 4: Running a DISM scan

Some influenced users have shown that they were able to settle the problem after they run a DISM (Deployment Image Servicing and Management) sdeserve to on their computer. The success of this approach says the possibility that this worry have the right to additionally be resulted in by an underlying device corruption problem that’ affecting the upgrading process.

DISM is a built-in utility that is incredibly good at addressing dependencies that might interfere through crucial OS chores prefer upgrading to a more recent version.

Here’s a quick overview on running a DISM scan in order to fix the ‘Setup has fairesulted in validay the product key’ error:

Open up a Run dialogue box by pressing Windows vital + R. Inside the newly opened up window, kind ‘cmd’ and also press Ctrl + Shift + Enter to open up an elevated Command also Prompt. When you’re prompted by the UAC (User Account Control), click Yes to provide bureaucratic privileges.Running Command PromptOnce you’re inside the elevated CMD prompt, type the following commands in order and also push Get in after each shave the right to is completed to run a complete DISM can:

Dism /Online /Cleanup-Image /CheckHealthDism /Online /Cleanup-Image /ScanHealthDism /Online /Cleanup-Image /RestoreHealthOnce eexceptionally sdeserve to is finish, restart your computer system and see if the concern is resolved the next time you try to run the upgrading energy.In situation the very same Setup has actually failed to validate the product key error is still occurring, move dvery own to the last strategy listed below.

Method 5: Creating a EI.cfg file for the ISO file

If none of the methods over has actually permitted you to resolve Setup has faicaused validate the product key error, it’s probably bereason the upgrading media that you’re trying to use doesn’t contain a config file that’s mandatory as soon as upgrading from an older Windows variation.

In this instance, you’ll have to usage a decompression utility to extract the Windows 10 ISO and also add a .cfg file that will certainly rectify this concern. Once you do so and put the ISO ago together, you must no longer encounter the same worry.

Here are step-by-action instructions with the totality thing:

Use WinRar, WinZip, 7Zip or any other similar utility to extract the ISO file containing the installation media into a folder.Press Windows essential + R to open up a Run dialogue box. Next, type ‘notepad.exe’ and also push Ctrl + Change + Enter to open up an elevated Notepad home window.
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Save as… in NotepadOnce you’re inside the notepad window, paste the contents below right into it:

Retail0Once the contents have been added, go to File > Save as. Once you’re inside collection the Save as type to All Files. Name it ei and encertain that you incorporate the ‘.cfg‘ extension at the finish. But prior to clicking save, encertain that the brand-new file is conserved inside the Sources folder of the ISO installation.

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Creating the Ei.cfg fileRun the setup.exe file from the very same installation media and also watch if you can complete the procedure without encountering the Setup has actually faicaused validay the product key error.
By Kevin Arrows November 24, 2020
6 minutes read
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Kevin Arrows

Network-related Team Lead/Manager (LAN/WAN) |
Kevin is a dynamic and self-motivated indevelopment technology expert, via a Thoturbulent knowledge of all facets pertaining to netjob-related framework design, implementation and administration. Superior record of transferring simultaneous large mission important tasks on time and also under budacquire.

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Troubleshoot Windows 10 Setup Has Failed to Validate the Product Key

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