Originally Posted by Capri

Use your browser history to retrace your steps and you should find it. To do that, open your options tab and then history/browsing history or similar. Alternately, if you've not downloaded anything since that file, try downloading anything at all and before you click, check the path it's using at the top of the pop-up. You may have a "downloads" file that everything goes into. If you still can't find it after these two, then you were dreaming! I do that a lot.....