Yep, Hammer can be buggy - pity you seem to have suffered them all right at the start. Do you know what a leak is? If not,
click here to see the definition.
The
empty thing is another wierd bug - even after you've deleted an entity, Hammer ocasionally seems to still think it's there, kinda like a ghost. I don't think it matters, though.
Odd about the console thing. Try adding
"-dev -console -cstrike +deathmatch 1 +toggleconsole"That shoudl immediately bring the console down when you start, even if you've somehow unbound it.