Remaining Time not updating

Using v1.3 with PartedMagic and with a very sick HDD, the 'Remaining Time' is always shows as 'Calculating', it never changes even after it being on for many days. Also it seems difficult to minimise the window and it insists on being on top, even over its own Preferences screen. Not sure if this is a bug or something else.
Other than that, it seems good and makes it much easier - Thanks.

P4, 2.793MHz, 1.5GB

- Later note - I think perhaps it's having trouble displaying the remaining time because it's simply too long for the variable it's putting it in. I calculated the time required and it's around 2 years running continuously! - I did say it was a very sick drive!