Description of the Office 2010 hotfix package (x86 Mso-x-none.msp, x64 Mso-x-none.msp): December 13, 2011

Issues that this hotfix package fixes

• After you install a custom Cryptographic Service Provider (CSP) on a computer that is running Windows XP, you cannot encrypt Office Open XML (OOXML) files or open existing encrypted OOXML files in Office 2010.

• Excel 2010 stops responding when you open and close many Excel workbooks.

• When you try to set Restricted permissions for an Office 2010 document in an Active Directory Rights Management Services (AD RMS) environment, you receive the following error message:
  

  An unexpected error has occurred while trying to restrict permission to your document.

  This issue occurs when the following conditions are true:
  

  • You apply the hotfix that is described in Microsoft Knowledge Base article 2584066 to the computer.

  • The text ":443" appears in the URL of the service connection point (SCP) for AD RMS.

• 2596960 No prompt for credentials when you start Outlook 2010 as an initial application in RDP or as a published application in Citrix Zen

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problems that are described in this article. Apply this hotfix only to systems that are experiencing the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft website:

http://support.microsoft.com/contactus/?ws=supportNote The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.