Shape from selecting artboards
Hello everyone ! first of all i'm not so good to english (writing) so i hope to be ok...
I use Adobe Illustrator CC 21.1.0 version on Windows 7 Enterprise 64-bit and i have a problem...
When i use an artboard to work, a shape like square with dahsed lines appear on it, i make a screenshot. Also i didn't make any settings, i was working on my work and my hotkeys from keyboard stopping to work, so i save my work with mouse/cursor, restart the PC and when i open the Illustrator the keyboard was working but this shape is starting to appear...