I also have problems with freeze of Recuva during deep scan. My scan for pictures stops after 54% (111867 files), 20 minutes left, where Recuva starts to use all remaining CPU power (97-99%).
Starting in debug mode and Cancel after appr. 1/2 hour freeze produces the attached log files.
How to proceed?
Recuva_debug.zip
Recuva_debug.zip