Sometimes some square is green before the move

And I can't move other piece. It's probably the square of move before. I use Chromodo on Windows 10 and this cheap mouse:

http://www.around.ro/files_/6e2a9dad187e9ab0672125130bfe29e7.jpg

http://www.around.ro/detalii-produse/ProductsCatalog-Product/169425-Mouse-Canyon---CNE-CMS2/772-Mouse

is from righ clicking

Yep, it's the square of the move before. :)

yeah probably true but you can try changing the theme if it bothers you :)

Obviously I mean it's green automatically, I don't click.