Possible reasons for this issue : 1. Missing root certificates. 2. Untrusted DLL injection. (This could again circle back to missing root certificate issue) 3. Release version mismatch between modules.
In case if MFESysPrep.log reports "unable to grant trust " to any DLL file, you can wither remove that DLL or uninstall the application associated with that DLL or contact McAfee Technical Support for further assistance.
I hope this helps . - Rohit Francis
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