/sys$common/syshlp/helplib.hlb Sys Files, [SYSEXE], VMS$SYSVERADDR.COM  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    This file is used during installation and upgrade procedures
    to set the correct version string in the system base image.
    It is normally deleted when these procedures complete, so it
    is unlikely you will see it on your system.