That will happen when you Ctrl+left click your pics to select them for
deletion and move ever so slightly the mouse before releasing the left
click. Be rock steady when you click, don't move the mouse before you
release the left click and you'll make no more duplicates.
Want to reply to this thread or ask your own question?
You'll need to choose a username for the site, which only take a couple of moments. After that, you can post your question and our members will help you out.