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McAfee Validation Trust Protection (mfevtps.exe) unable to start after installing Symantec Endpoint

Hi,

I'm using SEPM 14 MP2 and having issue in running McAfee Client Proxy (MCP) version 2.3.2.251 installed on Windows 10 (version 1703).

MCP services run fine when SEP is installed without Application and Device Control feature. I have seen some threads which mention that Symantec injects sysfer.dll into processes which McAfee doesn't like.

So I have added following McAfee files and folders exception but it still doesn't help in starting McAfee Validation Trust Protection Service (mfevtps.exe).

However, if I add C:\Windows\System32 (not including subfolder) under Application Control exception then the services run fine.

How can I troubleshoot further which dll or process under system32 folder needs to be added to exceptions for mfevtps.exe to start?

Exceptions in place (includes subfolders):

  1. C:\Program Files\Common Files\McAfee\
  2. c:\program files\mcafee\
  3. c:\program files (x86)\common files\mcafee\
  4. c:\windows\system32\mfevtps.exe