Thanks Dave, When you just click on a layer to hide it while it's not the "active" one, the photoshop scripts writes : "hide "shadow" layer" And as I'm almost sure the whole visuals won't be properly named layer-by-layer, this action will block the script. Just a single letter can do that. If the layer is called "Shadow" and not "shadow", the script will freeze. That's why I prefer photoshop to "hide the active layer" as it won't name it into the script. This is the reason why i'm using shortcuts instead of the mouse to select the right layer to work on. Photoshop will write "hide top layer" instead of "hide "product" layer". Again, I hope this is clear, sorry about the lack of appropriate words, I'm working on a french version of photoshop.
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