Welcome to Archicad and the forum.
Please try to post your question in a relevant section rather than the first one - read the section descriptions.
I have moved this post.
What are your machine specs?
Have you checked to see that your Archicad is up to date (go to the HELP menu and 'check for updates').
Barry
One of the forum moderators.
Versions 6.5 to 25
Dell XPS- i7-6700 @ 3.4Ghz, 16GB ram, GeForce GTX 960 (2GB), Windows 10
Dell Precision 3510 - i7 6820HQ @ 2.70GHz, 16GB RAM, AMD FirePro W5130M, Windows 10