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The implication is that you are not making a locked copy of all your files before you open them in any software. DVDs, attached storage, or cloud - you must store original/unopened copies before you start processing files or erase the memory card. Windows has gotten more stable with Windows 8, but it still is not up to Mac OS X stability. Finally you need a CC monthly subscription otherwise Photoshop bugs don't get fixed. But none of this helps you current problem.