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Microsoft windows have become one of the best and common operating system for system users. Microsoft provides the policy of the product key for windows activation. Windows activation is very much necessary because it helps to verify that the windows that you have installed is genuine or not and it is not used in more than computer. You can say activation helps to protect software from duplicity. Just imagine that you have installed windows on multiple hard drives of as same system or computer, then you are unable to activate all copies with the same key. This proves that only a single key is used for one installation just because of Microsoft policy. You require again other key for upgrading your windows and if condition during activation processes you use an invalid product key then you receive error code 0xc004f061. This problem you receive in your system due to several issues. This problem you may receive in any of the version of Microsoft windows operating system which you want to install. Follow the given below instructions so that you can overcome from this problem.

  • The most common reason behind this error is installing incompatible or outdated driver, missing system files, corrupted registry file or damaged pc by viruses. Advanced System Repair Tool is the only solution for all the system errors. By installing this tool you will be able to remove above windows error.
    3 Steps to Fix this Error

    Step 1. Download Advance System Repair Tool [File Size: 15.7 MB]
    Step 2. SCAN your Windows PC
    Step 3. Click Fix button to Repair Error

What this problem occurs?

  • Suppose you want to install any of the windows operating system in your computer and if different product key is used in your system to install windows then you may receive this error.
  • If one copy of windows is instead in more than one system then windows activation will not work because the product key has been already used on another system.
  • If you have duplicate copy of windows which doesn’t follow the Microsoft software license terms then activation will not work because will not be able to communicate between your system hardware profile and 25 character product key.
  • If you replace your hard drive or motherboard of your system then due to hardware changes will receive this type of error.

What are the symptoms?

Sometimes you might have received error message when you try to use product key to install windows:-
“The following failure occurred while trying to use the product key:
Code 0xc004f061
The Software licensing Service determined that this specified product key can only be used for upgrading, not for clean installations.”

How to fix windows activation error 0xc004f061 in windows 7?

If you are facing this activation error then you need to follow the given below instructions so that you can overcome from this problem, so watch the given below steps:-

  • Click on start button and to open the registry editor type regedt32.exe in run dialog box and press enter.
  • In the registry editor select the following command:-
  • HKEY_LOCAL_MACHINE/Software/Microsoft/Windows/CurrentVersion/Setup/OOBE and hit enter.
  • Then from then name column click on the option MediaBootInstall and then click on the second column type that is REG_DWORD which have the value data 1. Then you need to double click on the DWORD option to get change it:-
  • In the Edit DROWRD (32-bit) Value windows page, delete the value data from 1 to 0 and click ok.
  • Then exit registry editor.
  • Now you need to open the command prompt and type slmgr/rearm in the command prompt and press enter.
  • Then press the enter keys and you will encountered with the following message that is “command completed successfully.”
  • If condition your are asked to enter the product key then enter it and then reactivate windows.
  • Click ok and then reboot your computer.
  • Finally after completing reboot process, you are free from this error.
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