Summary
This article describes the issues that are fixed in the Microsoft Office 2010 hotfix package that is dated December 11, 2012.
INTRODUCTION
Issues that this hotfix package fixes
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2760495 Office 2010 freezes when you try to open or create IRM-protected content
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Assume that you add a Microsoft Visual Studio Tools (VSTO) add-in or a COM add-in to the Quick Access Toolbar (QAT) for a specific document in Microsoft Word 2010, Microsoft Excel 2010, or Microsoft PowerPoint 2010. In this situation, when you close and reopen the document, the add-in button has disappeared from the QAT.Note This issue does not occur if you add the add-ins to the QAT for all documents.
Resolution
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 problems 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.
Prerequisites
To apply this hotfix package, you must have Office 2010 or Office 2010 Service Pack 1 (SP1) installed. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
2510690 List of all Office 2010 SP1 packages
Restart requirement
You do not have to restart the computer after you apply this hotfix.
Hotfix replacement information
This hotfix does not replace a previously released hotfix.
Registry information
To use the hotfix in this package, you do not have to make any changes to the registry.
File information
This hotfix may not contain all the files that you must have to fully update a product to the latest build. This hotfix contains only the files that you must have to resolve the issue that are listed in this article.The global version of this hotfix package uses a Microsoft Windows Installer package to install the hotfix package. The dates and the times for these files are listed in Coordinated Universal Time (UTC) in the following table. When you view the file information, the date is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
