Slow/lagging performance while drawing a wall/copy past

[Anonymous]

hello,
have problem drawing walls, computer lagging. re-installed Archicad 21, installed most recent update on my mac. very annoying
also same happens with copy past.
any help/advice will be appreciated. unfortunately cannot find specific solution for my problem.

[Laszlo Nagy]

Read this topic, it talks about this same issue.
The primary suspect is the Antivirus software. Follow to instructions about making exceptions in the Antivirus software, see if that helps.