missing some pixels in NES emulator recalbox 4.1

[mitch 69]

Hello , like you can see on the picture there is a lack of pixels in NES , we don't see the S of score or the P of player .... is it a probleme knew by the community . i 'm in 4/3 ratio on 4/3 screen but it 's not an issue with full screen but a problem of lack of pixel.
<a href='https://www.casimages.com/i/180907063034426334.jpg.html' title='Mon image'>Lien vers mon image</a>

[OyyoDams]

Please don't double post.