Internet Explorer closes brutally a few seconds after being launched with Windows 10 1709 or higher and SEP 14

Products

• Endpoint Protection

Issue/Introduction

While testing the upgrade to a Windows 10 build 1709 or later Internet explorer is closing brutally a few seconds after being launched

When the MEM feature of SEP is disabled by policy the issue doesn't happen

Internet explorer is closing without error message

Cause

Conflict between MEM and the Windows Exploit Protection feature

Environment

- Windows 10 build 1709 or later

- Some specific settings have been configured for the Windows Exploit Protection feature: https://docs.microsoft.com/en-us/windows/security/threat-protection/windows-defender-exploit-guard/exploit-protection-exploit-guard

Resolution

We don't recommend to have both MEM and Windows Exploit Protection feature used at the same time. You should be using either MEM or Windows exploit protection but not both