I drew columns, beams, flooring and walls in the project drawing, enter the door and windows command, select the relevant door or window example, and as soon as the icon appears on the plan, idecad turns itself off.
Hello, You are having a problem with your video card. For the solution, go to the General settings section of the program, deselect 'use open_Gl hardware accelerator' and click all, then close and open the program. Good work