I'll try clicking No, but I suspect it won't install anyway.
When Rendo released the very first 11.2 update, I had it installed over my 11.1, and it did ask if I wanted to uninstall. I clicked NO, and it proceeded with the installation normally. With last night's update, the installer now explicitly tells me that it will proceed with the installation whether or not I opt for uninstalling Poser. That wasn't clear before, but it was this time.
With the first 11.2 installer, it didn't say what would happen if I opted for NOT uninstalling Poser 11.1. I just assumed it would continue, and clicked "no" (meaning I will not uninstall 11.1). To my surprise, it just went ahead and installed the 11.2 on top of 11.1 anyway. Maybe what happened was that people _assumed_ it wouldn't continue if we said "no", but it wasn't the case.
The bottom line was that none of these installers [so far] have refused to proceed if I tell it NOT to uninstall Poser. This last one told me explicitly that it would continue no matter which option I chose. I think it's pretty clear by now that this is the way it works.
I guess a lot depends on your starting point, my heart sank slightly when Rendo purchased Poser and I knew I would have to deal with a company I had stopped dealing with three years ago for various reasons but of this evil licensing process would force my hand. So from the start my expectations were low.
I understand that it's SMS who is shutting down their Poser licensing servers, which would cause Poser 11 and Poser Pro 2014 Game Dev to stop working. All I see is Rendo trying to make sure we get an update that stops that from happening. I see no evil on that for the Rendo side. They are just trying to protect our SMS licenses from voiding out, and I appreciate that they did it before the SMS servers went down, so we had no down time.
I am not trying to take sides here, but it was SMS who started the home calling thing - not Rendo. They just transferred the SMS licenses to their own servers to keep them alive. I think that's fair and square.