The longer you use Adobe Photoshop and its plethora of tools and effects, the more likely you are to run into a scratch disk error. But don't panic: If you do ...
Photoshop uses the hard drive that the operating system is installed on as the primary scratch disk by default. To allocate a different scratch disk you need to visit Photoshop's preferences: Edit > ...
Photoshop 5.5 && two NT4 SP6 WKS -- "Could not open the document because of a disk error" ...
There are a few instances when this error will show up; however, Photoshop will use this error message for many reasons. This is the reason it is so hard to find out ...