Originally posted by justinr Many thanks for the fix. I've removed the checkinfo file and it's now working well enough to process a jpeg from the RAW (better image quality than the in camera one) but I can't use the White balance, Lens correction etc functions as the software thinks that all the files are jpegs and won't allow the appropriate boxes to be ticked under the 'Windows' header on the menu.
I am now hopefully out of trouble sufficiently to get the present job done but I'll need to look at it again soon.
Have you installed the latest update? That might be enough to get it fully workimg again.
The latest update also allows processing of jpeg if it recognises them as being shot with a supported Pentax camera. The problem can be if they are imported with the Windows photo import then they aren't recognised (Import with Windows Live Photo Gallery or PDCU itself and they are ok). I don't know if that might affect RAW files as well.
If all else fails, backup what might be lost to My documents folder or sub-folder and roll back and start again.
I actually quite like PDCU4 because it is dedicated to Pentax and ... free. It was problematic for me for a while until it decided to behave and I've had no crashes from it since (running on Windows 7 64 bit).
The beta of PhotoDirector recognises Pentax RAW files and is ok:
PhotoDirector 2011 Beta Version ? Professional Quality Photo Editing Software
Download the beta, review it and the released version is free.