Inforworld is reporting that the WMV codec patch included in MS13-057 causes a number of video related applications to show partially blank screens. The applications include Techsmith Camtasia, Adobe Premiere Pro CS6 and others.

Please let us know if you experienced any issues like that.

[1] http://www.infoworld.com/t/microsoft-windows/another-botched-windows-patch-ms13-057kb-2803821kb-2834904-222636

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Johannes B. Ullrich, Ph.D.
SANS Technology Institute
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