Knowledge Center

SysCore install failed: 255 (wevtutil.exe has been removed from C:\Windows)
Technical Articles ID:   KB90526
Last Modified:  4/25/2018


McAfee VirusScan Enterprise (VSE) 8.8 + Patch 1–10

For details of VSE supported environments, see KB51111.


VSE 8.8 installation log records the following error:
>> Installing SysCore: "C:\Program Files\McAfee\VirusScan Enterprise\VSCore\mfehidin.exe" -i VSE88P9 -q -mfetrust_killbit –oastrust_off -l
"C:\Users\ADMINN~1\AppData\Local\Temp\McAfeeLogs\vse8.8.0.core_install_100617_104933.log" -etl
"C:\Users\ADMINN~1\AppData\Local\Temp\McAfeeLogs\vse8.8.0.core_install_100617_104933.etl" -x vse.xml OAS ELAM AAC DiskFilter firecore_driver EmailScan ScriptScan    
!> Error - SysCore install failed: 255            
<= leave custom action  Install_SysCore()

McAfee Agent log (mfemactl.log) records the following errors:
mfemactl(4548.4528) mfemactl.Info: Monitoring parent process: <C:\Windows\System32\msiexec.exe(4316)>
mfemactl(4548.4528) mfemactl.Info: Successfully registered mfemactl with controlling parent
mfemactl(4548.4528) mfemactl.Warning: Failed obtaining AacControl interface, status = <0x80092003>
mfemactl(4548.4528) mfemactl.Info: Unable to obtain AacControl interface for EnableDisableGroup() operation

Windows system event logs record the following error:
The McAfee Validation Trust Protection Service service failed to start due to the following error:   %%2


Installation of the VSE component SysCore failed due to a missing Windows utility wevtutil.exe.


The absence of the executable (wevtutil.exe) is no longer treated as fatal and no longer prevents the installation of VSE.

This issue is resolved in VSE 8.8 Patch 11, which is available from the Product Downloads site at: http://mcafee.com/us/downloads/downloads.aspx.

NOTE: You need a valid Grant Number for access. KB56057 provides additional information about the Product Downloads site, and alternate locations for some products.

Patches are cumulative; Technical Support recommends that you install the latest one.

To view other key VSE known and resolved issues, see KB70393.

VSE 8.8 Patch 11 is the latest patch available from the Downloads tab on the ServicePortal at https://support.mcafee.com/downloads.

NOTE: VSE 8.8 Patch 11 supports all supported Windows operating systems.

Rate this document


This article is available in the following languages:

English United States

Beta Translate with

Select a desired language below to translate this page.

Glossary of Technical Terms

 Highlight Glossary Terms

Please take a moment to browse our Glossary of Technical Terms.