Use the Freelancer Account Manager + add few lines into the Discovery shortcut and you will be fine. The player, Jong, who made this program is not around anymore to support it with updates.
basicly add to the disco shortcut the following line after the freelancer.exe" part
-dx -logchat -logappend -lag
done
-dx is for resolution being set to the desktop one
-logchat is to log your chat into the file in the freelancer directory in your documents\my games
-logappend not sure, but it's for more detailed log I believe
-lag is to see the lag indicator in the game (yellow\red computer blinking on your GUI when the connection goes ape)