Images unstable in preview
Have Aperture version 3.5.1 on Mac Pro version OS X 10.9, various file formats (RAW, Tiff or JPG) .
When using Aperture w/ split screen (Viewer/browser) images jump w/o clicking to change in browser.
When working on image in viewer it suddenly changes to another image; w/o cursor being in or near browser.
Any suggestions or similar occurrences?
Thanks
MacBook Pro, Mac OS X (10.7.1)