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Window activation error

Anonymous
2021-10-01T07:29:00+00:00

Please!

              I have got an error code of 0x80004005 from my window setting activation page. My window is activated as Windows 10 pro before but now in Edition shown is Windows 10 Enterprise on that page. How it has happened I don't know because I do many troubleshooting and tutorial videos on YouTube to solve my blue screen error of Blue screen Stop code: "KERNEL SECURITY CHECK FAILURE" message appears and suddenly restart my pc. Then my Windows 10 pro activation is lost and my windows also become Windows 10 Enterprise even I have never reinstall my Windows. I also don't want to reset my PC. So, I have got in trouble with this problem and I have no idea to solve it. Please help me with something!

                                                          I hope for a solution!

                                                                                 Thanks!
Windows for home | Windows 10 | Licensing and activation

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  1. Neil D 33,495 Reputation points Volunteer Moderator
    2021-10-04T08:00:22+00:00

    See if the command slmgr /dlv displays the licence key or wmic path SoftwareLicensingService get OA3xOriginalProductKey finds a key. (after the system file repair)

    Try the generic Pro key again to see if it returns Windows 10 to Pro edition.

    If these are still not working then your only option is to clean install Windows 10 Pro so start by backing up your personal files to external media.

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  2. Anonymous
    2021-10-04T04:04:45+00:00

    Hi Neilpzz,

                       I have done all as your steps but I decide to stop repair install because this repair will give me also Windows 10 Enterprise, and I have not the key to that version and the result will be the same as now. But thank you very much for your advice and I have got many experiences relating to computers. [![Image](https://learn-attachment.microsoft.com/api/attachments/8cb5a438-fcd7-46df-8270-c712aea8cd4a?platform=QnA

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  3. Neil D 33,495 Reputation points Volunteer Moderator
    2021-10-03T11:55:34+00:00

    With that type of error when using slmgr /dlv I would normally suggest to run system file scans or a repair install if that doesn't work.

    System files scans

    Method 1:

    Run DISM tool and check the issue. Please follow these steps:

    a. Press Windows + X keys and click command prompt (admin). Or PowerShell (Admin).

    b. Type the following command in command prompt and press Enter.

    DISM.exe /Online /Cleanup-image /Scanhealth

    after the scan is complete type the following and press Enter

    DISM.exe /Online /Cleanup-image /Restorehealth

    then use method 2.

    Method 2:

    System file checker is a utility in Windows that allows users to scan for corruptions in Windows system files and restore corrupted files.

    Run system file checker (SFC) and see if it helps. Please follow these steps:

    a. Press Windows + X keys and click command prompt (admin). Or PowerShell (Admin).

    b. Type the following command in command prompt and press Enter.

    sfc /scannow

    After completing the scans restart using Start > Power > Restart.

    A repair install is detailed here Repair Install Windows 10 with an In-place Upgrade | Tutorials (tenforums.com)

    However with the repair install if Enterprise edition is currently installed then that may not work as you need to get back to Windows 10 Pro to match the licence. (which means a clean install)

    Buying a licence at a cut price from a 3rd party can cause all sorts of problems unfortunately.

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  4. Anonymous
    2021-10-03T08:47:27+00:00

    Hi Vineet_K,

                    I had changed my laptop memory RAM 2133MHz 4Gb to 2400MHz 8Gb then I first got and try to solve the blue screen error of as I said in my first question. My laptop sale center said to Bios update so I searched it from the Dell website and install my laptop Bios update and other recommended updates for my laptop from the Dell assist app. Then I have solved the blue screen error and I lost my Windows 10 pro activation and become Windows 10 enterprise and a new blue screen of "Your window is not activated", "Go to Setting" that full blue screen message recently appears. But all other functions are normal except my Microsoft 365 to become a problem and every time I open the office word file, need to repair the message popup and can't repair and reinstall again that Microsoft 365. So sorry for asking about many problems, and very please for your help, thanks a lot to this community. Up to writing this reply, there is no bluescreen fullscreen dialog box appear again.[![](https://learn-attachment.microsoft.com/api/attachments/32040d55-f9e2-4d93-9bbd-8a9606bb64c9?platform=QnA

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