From InfoWorld: In a situation that may foreshadow Windows 10 patching problems, the Black Tuesday patch KB 2920732 has brought PowerPoint 2013 on Windows RT systems to its knees. Worse, because of the way Windows RT works, there's no way to back out the update. Your only solution, until Microsoft releases a fixed patch, is to "refresh" your system to reinstall Windows and clobber your installed programs.
Around noon on Wednesday, Feb 11, BGrewer on the Windows Central Forum, posted a series of screenshots that showed PowerPoint 2013 trying and failing to start on a Surface RT. The first error message says the PowerPoint program is "either not designed to run on Windows or it contains an error."
When you click OK and try to start PowerPoint again, you get an error message that offers to open PowerPoint in safe mode. Click Yes on that message, and Windows tries to reinstall PowerPoint, but fails. Microsoft pulled the patch late Wednesday evening. The KB 2920732 article now states:
This update is currently unavailable. It is being revised to address an issue that is under investigation. The update will be restored when the issue is resolved. While the patch was intended for all versions of PowerPoint 2013, including the Windows RT version, it isn't clear if Microsoft has discovered additional problems with other, non-RT, versions of PowerPoint 2013.
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