Applies ToOffice Home and Business 2010 Office Home and Student 2010 Office Professional 2010 Office Professional Academic 2010 Office Professional Plus 2010 Office Standard 2010 Office Starter 2010

Symptoms

Users who are not administrators can deactivate any COM add-in on an Office 2010 application.

Resolution

To resolve this issue, apply the following update:

2817377 Description of the Office 2010 hotfix package (Mso-x-none.msp): June 11, 2013

Registry key information

Important Follow the steps in this section carefully. Serious problems might occur if you modify the registry incorrectly. Before you modify it, back up the registry for restoration in case problems occur.After you install the hotfix package, follow these steps to enable the hotfix:

  1. Click Start, click Run, type regedit in the Open box, and then click OK.

  2. Locate and then select the following registry subkey:

    HKEY_LOCAL_MACHINE\Software\Microsoft\Office\14.0\Common\Security\Note If you install the x86 version of Office 2010 on a computer that has the x64 version of Windows 8 installed, the registry subkey is located in the following location:

    HKEY_LOCAL_MACHINE\Software\Wow6432Node\Microsoft\Office\14.0\Common\Security

  3. On the Edit menu, point to New, and then click DWORD Value.

  4. Type DisableLMAddinOverwrite, and then press Enter.

  5. In the Details pane, right-click DisableLMAddinOverwrite, and then click Modify.

  6. In the Value data box, type 1, and then click OK.

  7. Exit Registry Editor.

Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

Need more help?

Want more options?

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.