Well, I know that if the program is from untrusted developer I go into security to "Open Anyway".
Okay, I tried installing driver again, and it shows up as installed. I hope it doesn't make any trouble in the future. I am only wondering if I should just click "Update Selection" button for the two files on Device Firmware, or do something else because doing that will cause the the installed files to mess with the updated file and cause problems.