This also happens on a small 10MB file.
CS6 32bits Win 8 Ram for PS 2115MB Scratch disk on C with 80Gb free space
Solved the problem.
I saved on a jump drive closed the file and PS
Nach dem restart everything was fine.
I remembered that I had a HOW Too file of solutions gatered from this forum saved and this solution was there from way back of CS2.
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