Emsrv

create admin emsrv user
Start cmd as admin
cd \avast\runemsrv
emsrv -install -mp -u emsrv -p emsrv
EMSRV installed.
emsrv will not start from services until you make changes to the Log On tab
Message file emsrvmsg.dll copied to C:\Windows\system32\emsrvmsg.dll.