From the error it gave and from searching on Google for a bit, it looks like the kernel included with whatever image you grabbed is not entirely compatible with your hardware as it may be “too new”. Of course, that may not be entirely accurate if the LIVE image is booting fine. Is that the case?
Can you share which Lubuntu version you downloaded?
If the installation fails completely, I’m not too sure what can be done at this point that would be considered supported.
On the other hand, if you wanted to try something, maybe trying one of the daily images found here would show something else: