Good luck.
For me, it was a mere update, and it fought like a nonitor lizard when cornered.
You may congratulate me, my friend; I have WON! The software has been installed and is functioning as intended without resistance. Now, I can leave my office whenever I need to -- like maybe when I want to be home in time to have dinner at the same time as my wife and kids -- and still finish the work I have on my desk.