Upload problem of Photos downloaded first on my PC

Hello, These last two days, the photos I want to post are loading and the thumbnails appear but not the image; I don't know the reason, usually these are images that I first save on my PC, in JPG/JPEG before importing them on Listal. Are there other people who encounter this kind of problem? Thank you in advance for any answer. Good evening everyone. Renรฉ aka apo55a.
(Sorry for Google Translate)
(Sorry for Google Translate)

Also in this thread listal.com/topic/thumbnails-breaking-again

Hello Offs,
I read the link you gave me, thank you. I see unfortunately that I am far from being the only one to encounter this problem. Listal is the best site I have known since I have been surfing the net and it would be sad to lose it. Have a good day.
I read the link you gave me, thank you. I see unfortunately that I am far from being the only one to encounter this problem. Listal is the best site I have known since I have been surfing the net and it would be sad to lose it. Have a good day.