gab is refusing any image files i rip from this board. when i take them and save them to paint and rename, gab accepts. shrugs. never had that problem before

gab is refusing any image files i rip from this board. when i take them and save them to paint and rename, gab accepts. shrugs. never had that problem before. does it mean anything or is it just another one of those little things minions do to fuck with us?