Google Chrome version 78.0.x error “Aw, Snap! Something went wrong while displaying this web page.” when using a Symantec Endpoint Protection version older than 14.2

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Today we are going to provide the solution for “Aw, Snap! Something went wrong while displaying this web page.” error as this will come in coming days once google chrome’s released the next updates.This registry solution has been testing in test environment and registry fix able to resolved this issue.

SEP will cause Chrome/Edge 78 to break in coming days as Google Chrome’s next update which is scheduled 22nd October 2019, would not work with Symantec Endpoint Protection (SEP) 14.0 RU1 MP2 (14.0.3929.1200)SEP version. Symantec has released an article for this which can be read further at location : https://support.symantec.com/us/en/article.tech256047.html

When launching Google Chrome version 78.0.x or later, the message “Aw Snap! Something went wrong while displaying this webpage.” is present if Symantec Endpoint Protection (SEP) 14.0 RU1 MP2 (14.0.3929.1200) or earlier is installed with the Application Control feature. This issue also affects Microsoft Edge Chromium version 78.0x with an error message of “Page cannot be displayed”.

Browser versions

  • Google Chrome 78.0.x (October 2019)
  • Microsoft Edge Chromium 78.0.x

SEP versions 14.0 RU1 MP2 (14.0.3929.1200) and older, including 12.1.

Error

In the Google Chrome browser:

Aw Snap! Something went wrong while displaying this web page.

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. Older versions of the SEP Application Control technology are not compatible with this feature in Chrome/Chromium. 

Cause

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. Older versions of the SEP Application Control technology are not compatible with this feature in Chrome/Chromium. 

Solution

Upgrade to SEP 14.2 or later

This issue is fixed in later versions of Symantec Endpoint Protection. To resolve this issue, download and install the latest version of Endpoint Protection from MySymantec.

If upgrading is not immediately an option, the incompatibility can be worked around by adding registry key for google chrome browser.Kindly make the registry changes(RendererCodeIntegrityEnabled to be added ) in machine key by group policy.

HKEY_LOCAL_MACHINE\Software\Policies\Google\Chrome
DWORD (32-bit) Value name RendererCodeIntegrityEnabled to be added
Value Data = 0

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