Symptoms
You cannot view the inbox after you sign in to Microsoft Outlook Web Access (OWA) in Internet Explorer 11 Preview on a Windows 8.1 Preview-based device. Instead, Internet Explorer shows a spinning wheel indefinitely. Note This issue also occurs when you visit websites that use the APIs which are listed in the Cause section.
Cause
The issue occurs because an empty PerformanceEntryList object is returned when Internet Explorer 11 Preview loads a webpage that uses the following Internet Explorer 9 and Internet Explorer 10 APIs:
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performance.getEntries()
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performance.getEntriesByName(name, entryType)
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performance.getEntriesByName(name)
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performance.getEntriesByType(entryType)
Resolution
Update information
To resolve the issue, install update 2866518 from Windows Update.
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 the the APIs, see Timing and Performance APIs.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
