defraggler Closing Immediately After Analyze or Defrag Button Clicked

I've just updated to the latest version of Defraggler, but it keeps closing down as soon as i press the "Analyze" or "Defrag" button.

I've run it in debug mode, but it just freezes after literally a couple of seconds.

Debug info is attached (from the Defraggler.exe txt file):

Although not on screen, on opening Task Manager, it showed Defraggler as still running (and the time stamps in the debug report appear to confirm this).

I'm running Windows XP Professional Version 2002, SP3, with AMD Athlon XP3200+ processor and 2Gb RAM.

If you need any more info, please let me know.

thanks

file attached: Defraggler.exe.1_21_2092010-08-21_13-20.txt