Well you could try what I did and just rename your Poser Program folder inside of C:/Programs files/Smith Micro/Poser11 to something else and change the desktop icon to point to the new location of your Poser 11.1 version. Install the new version 11.2 and on my machine it made a new Poser11 folder and since it uses the same serial number it appears that both run, just one at a time and share the same preferences. So what happens in one happens to the other. Not sure how long this will work, but if you run Bondware 11.2 first it should do the phone home check update the keys and then 11.1 won't need to do a check since it has a recently updated key info. Just a thought and as I said not sure how long this will work.

Poser 5, 6, 7, 8, Poser Pro 9 (2012), 10 (2014), 11, 12, 13