An upgrade to VSE 8.8 Patch 8 might fail if Host IPS 8.0 Patch 8 is already installed.

The VSE installation log (VSEInst_ddmmyy_hhmmss.log) records the following errors:

>> Installing SysCore: "C:\Program Files (x86)\McAfee\VirusScan Enterprise\VSCore\x64\mfehidin.exe" -i VSE88P8 -q -mfetrust_killbit -l "C:\Windows\TEMP\McAfeeLogs\vse8.8.0.core_install_072116_025813.log" -etl "C:\Windows\TEMP\McAfeeLogs\vse8.8.0.core_install_072116_025813.etl" -x vse.xml OAS ELAM AAC DiskFilter firecore_driver EmailScan ScriptScan
!> Initial value of Load_AppInitDLL is: 0
!> Error - SysCore install failed: 255
<= leave custom action  Install_SysCore_Patch()
CustomAction Install_SysCore_Patch returned actual error code 1603*

* NOTE: This error code might not be accurate if translation happened inside a sandbox.

The VSCore installation log (vse8.8.0.core_install_mmddyy_hhmmss.log) records the following errors:

[00:00:00:000] - WARNING: Some operations were deferred until the next reboot.
[00:00:00:000] - Returning 4294967295

NOTE: Returning 4294967295 indicates that an error has occurred.