Well, I get to Mr. House, I let him upgrade his robots, come back to him, say I'm going to kill him, I kill all his robots, yadda yadda, and then what? No explantion as to how to kill him? I went back to Yes Man under the fire of the guards and he still says the same thing and there are no new dialogue options.

This is really not a bug, you just did not pay a lot of attention to conspicuously placed computer terminals.

I don't remember saying it was a bug, I was saying it was badly explained.

I used all of the terminals in the vicinity, the one that opens the way to the lift, and the one directly opposite the lift and there is no options there.

Nevermind, got it, the lift now magically goes to a different area.