Are you sure you have the right driver? RTL8192CU ? There are a couple with similar names. If you get the wrong one, it's not goig to build. I have built this driver successfully several times in Ubuntu 12.04 and 12.10 - pretty sure it still builds easily.
I've never seen a new install of Ubuntu 12.04 that didn't have an existing /etc/modprobe.d/blacklist.conf file. The installer seems to blacklist at least a few drivers. Otherwise, you can just create your own. In a terminal type:
If that's truly an empty file, copy the lines from my post of instructions into that file and save it. But I truly doubt it's empty.
gksu gedit /etc/modprobe.d/blacklist.conf