MS13-057: Description of the security update for Windows Media Format Runtime 9.5 and 11 (wmvdecod.dll) on Windows XP and Windows Server 2003: July 9, 2013

Van toepassing: Microsoft Windows Server 2003 Service Pack 2Microsoft Windows Server 2003 Standard Edition (32-bit x86)Microsoft Windows Server 2003 Enterprise Edition (32-bit x86)


Microsoft has released security bulletin MS13-057. To view the complete security bulletin, go to one of the following Microsoft websites:

How to obtain help and support for this security update

Help installing updates: Support for Microsoft Update

Security solutions for IT professionals:
TechNet Security Troubleshooting and Support

Help protect your Windows-based computer from viruses and malware: Virus Solution and Security Center

Local support according to your country:
International Support

More Information

Known issues with this security update

August 27, 2013: This update was re-released to resolve the following issue for Windows XP SP3 and Windows Server 2003 SP2.

If you use some of the following software, you might have experienced issues after you installed the initial release version of this security update. In some cases, WMV video files might have failed to successfully encode or decode. Once you apply this re-released security update, this issue is resolved.
  • Adobe Prelude
  • Camtasia Studio
  • Kandoukantan! Photomovie
  • Rome Total War
  • Rome Total War: Barbarian Invasion
  • Serif MoviePlus
  • YouTube Movie Maker


The English (United States) version of this software update installs files that have the attributes that are listed in the following tables. The dates and times for these files are listed in Coordinated Universal Time (UTC). The dates and times for these files on your local computer are displayed in your local time and with your current daylight saving time (DST) bias. Additionally, the dates and times may change when you perform certain operations on the files.