Posted by dellus on Aug 26, 2021; 12:20pm
URL: https://forum.librecad.org/Trim-or-divide-arc-tp5720951p5720957.html

Is it only in certain drawing, maybe a large one?
Does it work in a pristine small drawing, with just some elements?
If not you may provide a sample drawing here for testing.

Maybe this is your issue:https://forum.librecad.org/point-select-not-working-tp5720321p5720342.html
Fixed in recent V 2.2.0 rc. If you are on Windows, try it. Better anyway.