August 12, 2014 update for Office Web Apps Server 2013(KB2883057)

This article describes update KB2883057 for Microsoft Office Web Apps Server 2013 that was released on August 12, 2014. 

This update includes stability and performance improvements.

Issues that the update resolves

  • When you open a PowerPivot workbook that contains slicers in Excel Online in Internet Explorer 10 or Internet Explorer 11, the slicers are invisible.
    BUG #: 3433485 (Office15)
  • Assume that you open a workbook that contains a pivot table in a hidden sheet in Excel Online. When you try to download a snapshot by clicking the Download a Snapshot button in Excel Online, you receive an error message because of an access violation.
    BUG #: 3443612 (Office15)

How to download and install the update

Windows Update

Use Windows Update to automatically download and install the update.

Download Center

This update is also available for manual download and install from the Microsoft Download Center.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
Virus-scan claim

Restart information

You do not have to restart the computer after you install this update.

More Information


To apply this update, you must have either Microsoft Office Web Apps Server 2013 Service Pack 1 (SP1) installed. For more information, click the following article numbers to view the articles in the Microsoft Knowledge Base:
2817431 Description of Office Web Apps Server Service Pack 1 (SP1)
File Information

The Office System TechCenter contains the latest administrative updates and strategic deployment resources for all Versions of Office. For more information about the Office System TechCenter, go to the following Microsoft website:

Article ID: 2883057 - Last Review: Aug 12, 2014 - Revision: 1