Article ID: 2738093 - View products that this article applies to.
Assume that you click Edit aCopy to create a copy of a control template in Blend or in XAML Designer on a computer that has Microsoft Visual Studio 2012 Extension SDK installed. In this situation, a blank copy of the control template is created.
To resolve this issue, follow these steps:
119591Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.
(http://support.microsoft.com/kb/119591/ )How to obtain Microsoft support files from online services
Restart requirementYou do not have to restart your computer after you install this package.
To work around this problem, follow these steps:
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
To view a readme file that contains more information about this issue, go to the following Microsoft website:
Visual Studio 2012 readme
Article ID: 2738093 - Last Review: November 26, 2012 - Revision: 3.0