Problems occur after you pin and unpin a Win32 app from the taskbar in Windows

Applies to: Windows Server 2012 R2 DatacenterWindows Server 2012 R2 StandardWindows Server 2012 R2 Essentials

This article describes an issue when you use a Win32 app on the taskbar in Windows 8.1, Windows RT 8.1, or Windows Server 2012 R2. The update has prerequisites.


After you pin a Win32 app (such as Internet Explorer for Desktop) on the taskbar, open an instance, and then unpin it. The app cannot be pinned back again by using the icon on the taskbar. Additionally, the shortcut menu does not even show up when you right-click the icon on the taskbar.


To resolve this issue, we have released an update for Window 8.1, Windows RT 8.1, and Windows Server 2012 R2. 

How to obtain this update

Method 1: Windows Update

This update is available from Windows Update.

Method 2: Microsoft Download Center

The following files are available for download from the Microsoft Download Center:
Operating systemUpdate
All supported x86-based versions of Windows 8.1Download Download the package now.
All supported x64-based versions of Windows 8.1 Download Download the package now.
All supported x64-based versions of Windows Server 2012 R2Download Download the package now.
Note The update for Windows RT 8.1 can be obtained only from Windows Update.

For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 How to obtain Microsoft support files from online services
Microsoft 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.

Update detail information


To install this update, you must have April 2014 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 (2919355) installed.

Registry information

To apply this update, you do not have to make any changes to the registry.

Restart requirement

You may have to restart the computer after you apply this update.

Update replacement information

This update does not replace a previously released update.


See the terminology that Microsoft uses to describe software updates.