If you are using Notepad++ on Windows, you may have encountered the run into a problem with the Application crashing with the following message:
This seems to be a death sentence for the file you are working on and after you restart Notepad++, the file will be blank.
You can try a few different methods to retrieve the file you were working on:
1) Check if Notepad++ cached your file by going to the AppData folder under C:\Users\\Roaming\Notepad++\backup.
2) Check the Previous Versions on the file. Right-click on the file and go to properties. Under Previous Versions, Windows may have stored a previous version that you can revert to.
3) You can also try a using this solution: http://buffernow.com/notepad-plus-crash-recover-your-lost-file/
If all else fails, try to use a backup solution that automatically syncs changes and allows you to revert to previous versions such as Dropbox.