When launching Google Chrome version 78.0.x or later, the message "Aw Snap! Something went wrong while displaying this webpage." is present if any version of Symantec Endpoint Protection (SEP) is installed with the Application Control feature on Windows Server 2016. This issue also affects Microsoft Edge Chromium version 78.0x with an error message of "Page cannot be displayed".
This issue also impacts Chrome/Chromium installed on any Operating System (OS) if a SEP version older than 14.2 is installed.
Google Chrome 78.0.x (October 2019)
Microsoft Edge Chromium 78.0.x
Windows Server 2016 with any version of SEP installed.
Any Windows OS with a SEP version older than 14.2 installed.
In the Google Chrome browser:
Aw Snap! Something went wrong while displaying this webpage.
In the Microsoft Edge Chromium browser:
Page Cannot be displayed.
In version 78.0.x of Google Chrome (chrome.exe) and 78.0.x of Microsoft Edge Chromium, Microsoft's Code Integrity feature is enabled. SEP Application Control technology is not compatible with this feature in Chrome/Chromium.
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On any OS other than Windows Server 2016, SEP can be upgraded to 14.2 or later to resolve this issue.
If upgrading SEP is not an option, or the OS is Windows Server 2016, the incompatibility can be worked around by adding an Application Control exception for Chrome (Chrome.exe) and/or Microsoft Edge Chromium (MSEdge.exe).
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