Error: unknown screen name

hi,

so i try to control my pc with my new macbook air

so : pc will be next to my tv, no screen, connected to a projector, mba will be my main computer, connect to a 27" monitor

i spend hours just to be on root ... thx mac system (im noob with it)

and now every time i try to run synergy i get :

bash-3.2# synergys  --config synergy.conf -f
Synergy 1.4.2 Server on Darwin 10.7.0 Darwin Kernel Version 10.7.0: Sat Jan 29 15:17:16 PST 2011; root:xnu-1504.9.37~1/RELEASE_I386 i386
unknown screen name `new-host.home'

my config :

section: screens
    mba.local:
    btbw-pc:
end
section: links 
    mba.local:
        left = btbw-pc
    btbw-pc:
        right = mba.local
end

section: screens
    mba.local:
    btbw-pc:
end
section: links 
    mba.local:
        left = btbw-pc
    btbw-pc:
        right = mba.local
end

this make me crazy, why i have to deal with terminal and all that shi*** commands control, cant it be simple as windows :'(

thx for your help !