Moved to our VSE area.
You should run the setup for vse8.7p4 and it will upgrade the existing version
or you could follow the steps in the following McAfee article which is very helpful:
You have to use a Patch to upgrade the patch level, not a full install.
There are patches and full installs. Full installs are for new installs and upgrades from one version to the next
Example: VSE 8.5 to VSE 8.7 to VSE 8.8
You cannot use a Full install to upgrade the Patch Level,
That is what the “Patches” are for. Download the Patch 4 from the patches section of your downloads.