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Problem: Using Google Chrome 51 returns a blank screen when logging in to Portal for ArcGIS or ArcGIS Online, and custom apps fail to load

Description

Google has released an update to their Google Chrome browser – version 51, which was released on Wednesday, May 25, 2016. Users attempting to log in using Google Chrome v51 to either ArcGIS Online or Portal for ArcGIS 10.3, 10.3.1, 10.4, or 10.4.1 encounter a blank screen. This issue also impacts  a subset of custom apps built with the ArcGIS API for JavaScript v3.8 through 3.16, as these apps may fail to load. For example, apps that use the feature table or analysis widgets.

Solution or Workaround

What you can do:

If you are using Google Chrome to access ArcGIS Online, the affected releases of Portal for ArcGIS, or apps built with the affected releases of ArcGIS API for JavaScript, please turn off auto-update in your Chrome browser now. If Chrome has already updated, please use another browser temporarily, such as Firefox or Internet Explorer, until the patches for this issue have been completed.


What Esri is doing:

The ArcGIS Online team is preparing fixes that will go live Thursday evening, May 26, 2016. We are currently working on a solution for Portal for ArcGIS. Developers using the affected versions of the JavaScript APIs hosted by Esri are unaffected, as it has already been updated. We are working on a solution for the JavaScript API for developers who use either a custom build of the API or use it locally.
 
We will use this KB article to communicate updates regarding Portal for ArcGIS and the ArcGIS API for JavaScript as soon as we have more information.