Window jumps two times when you tap on the scroll bar arrow one time on the touchpad in Windows RT 8.1 or Windows 8.1

Symptoms

Consider the following scenario:

  • You have a Precision Touchpad (PTP)-based computer that is running Windows RT 8.1, Windows 8.1, or Windows Server 2012 R2.

  • You run an application, and then you try to scroll a window in the application by tapping on the scroll bar arrow for the touchpad.

In this scenario, when you tap on the scroll bar arrow one time, the window jumps two times.

Resolution

To resolve this issue, install update rollup 2984006. For more information about how to obtain this update rollup package, click the following article number to view the article in the Microsoft Knowledge Base:

2984006 September 2014 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2

Status

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

More Information

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

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