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The previously installed version of Office 2010 prompts the user lớn change the hàng hóa key. The screen then disappears, và shows no response when product key change is clicked.

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This may be caused when the hàng hóa keys of Office 2010 programs bởi not match.

How to fix

This issue can be resolved by removing the Office 2010 registry values.

The following describes how khổng lồ modify the registry. Incorrect registry modification can cause serious problems, so please proceed with extra caution. For additional protection, you are recommended lớn back up the registry before modifying it. This allows you to lớn restore the registry if a problem occurs. For more information about backing up the registry, see Baông chồng up the registry.

Click Start

& enter regedit in the tìm kiếm pane. At the top of the program menu, cliông xã regedit.


If the user trương mục control message appears, enter the administrator password, or clichồng Yes.

In Registry Editor, go to the HKEY_LOCAL_MACHINESOFTWARE sanaklidou.comOffice14.0Registration path.



If the operating system is Windows 7 64-bit, go lớn the HKEY_LOCAL_MACHINESOFTWAREWow6432Node sanaklidou.comOffice14.0Registration path.

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There are several GUID (Globally Unique Identifiers), consisting of a combination of alphanumeric characters, in the Registration subpath. Each GUID specifies the program that is installed on your computer. Cliông chồng each GUID to lớn view the registry entries in the right pane, & find and select the GUID that contains the relevant Office program version.


After selecting the GUID that contains the Office program version, find và right-clichồng DigitalProductID & clichồng delete.


Click Yes when the confirm value delete message appears.

Find và right-clichồng ProductID & click delete.


Cliông chồng Yes when the confirm value delete message appears.

Close Registry Editor and restart the computer.

When you run any Office 2010 program, the Enter your product key screen will appear. Enter the correct product key to lớn complete hàng hóa key change.


Issue resolved?

Reference materials

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