A new build of R-Undelete is available for download.
Improvements:
* Optimized memory management to minimize risks of program crash. 
Bugfixes:
- R-Undelete might crash when many images were open one after another. Fixed. 
- The program didn’t search for files in the order specified by extension and time stamp sorting. 
- An extra right character was saved to the file when a command Save to Hexadecimal File was performed for a selected area in Text/Hexadecimal Viewer. Fixed.