I am running 2 computers, ones a laptop, both 8.1. on same Microsoft account. When I delete a photo on one, it deletes from the other. I have turned off home groups sharing, & One drive, & in settings in everything to do with sharing I have turned off. But it still happens. I have considered uninstalling Photo Gallery 2012, on one computer & feel it might also delete it from the other computer. And it does not really fix the problem anyhow. Pulling my hair out.