I've had the same problem. At first I tried to follow the instructions on this note http://support.sas.com/kb/48/301.html, but without any success. What had worked for me was the following: - go to %temp% directory (via Run on Start menu or Windows Explorer); - look for folders which name starts with "SEG" and are finished by a number;  - order by "Date Modified" and search folders that have the approximated date when you could open the Project without problems.  - search for files "code.sas" on the subfolders.   I had luck and found what I was looking for on the first folder I opened; but you can programatically (using utilities grep-like) look for files named "code.sas", or for parts of codes that you remeber of your project.      ... View more