Hello, I'm using Mac and I'm having this problem recent while working on Photoshop. There appears to be solid black boxes appearing on images that I have placed in a collage that I'm working on. This problem occurs recently. Appreciate help on this.
Well, since we can't peek into your group, we can't know anything, but this looks like clipping masks are acting up or you have changed some blending setting that causes them to render this way.
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