Turns out it was my Avast AV who blocked demonbuddy processes. Suspicious, but ok.
May be it was an AV bug. Now it's gone, i'm able to install and run Demonbuddy and AV together.
Hi
Recently bought Demonbuddy, it's great.
But today it started to autoupdate and then stuck.
I killed it in processes, but then I was not able to run it. It's just hanging in processes and not showing any windows.
I uninistalled it, and tried to install from scratch.
Now installer is...