Moved to virusscan forum for a better chance of an answer
If you uninstall VSE, you can reinstall it with the following command to prevent the installation of the scriptscan component -- found in the Install Guide (PD22944.)
> SetupVSE.exe ADDLOCAL=ALL REMOVE=ScriptScan /q
However, scriptscan is not compatible with the newer versions of Firefox, so Firefox won't load it.
"Mozilla Firefox blocks the McAfee ScriptScan add-in, which is not something the product development team can resolve. Support for the Firefox browser and ScriptScan functionality is no longer supported."