Dez reaktie kreeg ik van Adobe vorige week en het hielp:
Image doesn't open when you double-click it or drag it to Photoshop icon
(Photoshop CS on Mac OS X v10.3)
When you try to open an image in Adobe Photoshop by double-clicking it or
dragging it to the Photoshop icon, Photoshop opens, but the image does not.
– You can open the image in Photoshop by choosing File > Open.
– You installed Photoshop in Mac OS X v10.2.x and then used the
Archive and Install method to upgrade to Panther (Mac OS X v10.3).
Do one of the following:
Solution 1: Copy the Adobe Unit Types file to the Library/Scripting
Additions folder. Copy the Adobe Unit Types file in the Previous System
folder to the [hard disk]/Library/Scripting Additions folder.
Solution 2: Reinstall Photoshop.
Remove and reinstall Photoshop.
If you use the Archive and Install method to upgrade to Panther after
installing Photoshop in Mac OS X v10.2.x, the system doesn’t copy the Adobe
Unit Types file to the Scripting Additions folder. Reinstalling Photoshop
restores the Adobe Unit Types file, which enables you to open files in