Well everything is not so good for me as well.
New DB worked fine for a couple of days, then first HUD stopped to appear in replayer, than several errors occured while importing, and after that i was again unable to maintain DB. HUD stopped working as well.
So i reinstalled windows, and installed PT4 again. Same stuff, while importing hands it found some errors and housekeeping didnt work. (I have same hands imported in my laptop and everything works fine>2 weeks)
So, I decided to reinstall everything, deleted PostgreSQL, my DB and PT4. So now when I try to install PT4, instead of offering to install PostgreSQL , as it usually does, I get that:
and this later