In the last 2 days, some white arrows became to apear in the board when 2 ou more lines are registred in my study. It's irritating
me, but I don't know how to turn off.
In the last 2 days, some white arrows became to apear in the board when 2 ou more lines are registred in my study. It's irritating
me, but I don't know how to turn off.

