User activity

We have just (yesterday) moved to AC20 INT 3012. Unfortunately I've found first annoying bug (?). When I shift 3d section plane on floor plan and go back to 3d window, section doesn't move (doesnt redraw). I have noticed that it will only work when I...
My wish is to make a tool for project versioning. I imagine that you can choose an option for every element: - common - version 1 - version 2 .... If I have only two project variants I work with Renovation Tools, and it works perfect, but some times ...
Unfortunately I cant install latest AC15 Hotfix. While installing I got alert that AC15-3267-HOTFIX1-WIN64.exe is not correct application of Win32? Why? I have Windows 7 Pro 64 bit, AC15 64 bit