DuplicateCleaner Free 3.0.1 and Win7:

[therube]

Maybe WhatIsHang could provide some information.

If it is a hang, it may be able to capture some data that could be of help?

[DigitalVolcano]

If anyone who is having crashes emails me, I have a test program for you to try - hopefully it should give a more useful error message
software AT digitalvolcano.co.uk