This just started happening in the last three or four months. Firefox is my default browser and I always use it with Sandboxie. When I browse to find photos and gifs to post on Google Plus or Facebook it crashes. All of my pictures are on an external hard drive. So when I browser to a folder and then maybe a folder within a folder it crashes and then it restarts. But it doesn't do this if I move a picture to my desktop unless I have already browsed to the Ext HD. This never use to happen. Has anyone else had this problem?