well once in your dropbox go to you account then click share link were you get the link to shar for example: https://www.dropbox.com/s/9396anbs1bvrs82/Gertyhubbugfixes.zip
because physics aren't loading so it stays there until they load.I'm thinking that going in Kerbin stationary orbit may work ,but i doubt that might work.(the ship loading may only work when your on a planet.)