PhotoShop CC users on Mac OS X 10.9 (Mavericks) may have seen issues with opening PSD files. The issue seems to have been rectified with the latest Mac OS update. 

There is a remaining issue wherein PSD files may fail to save when using Finder in Columns (with Preview) and Cover Flow view.

psd_error.png


A simple fix is to switch your Finder mode to Icon or List view.