.Net 4.0 is required, and installs fine through the TC2000 installer. Afterwards TC2000 installs fine.
All functionality is working so far, but there is some significant flickering of newly drawn windows, and the login screen. You can type and just ignore it, but it's annoying.
I've had a couple crashes, all during different actions, so not repeatable yet. A crash has probably happened 3-4 times over the course of 16-24 hours of usage over about a week.