I worked on a project for a week & when finished, needed to rename one of the drawings. I entered the new name in the save as box & got a warning that the drawing might become unstable. I took my chances and changed the name anyway. Now, not only is the drawing unstable, but GONE. I can't find it anywhere. I've done several searches under both file names, .sv$, BAK etc... with no luck. I'm using autocad 2008. Any help?