I am not sure offhand if it needs anything special (don't believe so) but I do know several people have reported it doesn't work in Vista yet (no Vista here, so not sure on the specific errors). If you're not using Vista, the only thing I can say is to try another PC as it works on my WinXP Pro machine fine. Good luck!
How about adding an undue lba position feature and a relink with multiple files selected feature.
1.undue lba= when changing the lba address locations in layout. You put in a location lba address and press ok but realized you typed in the wrong number you could then have the option to highlight the item right click your mouse again and choose undo to previous lba address.
2.relink multiple lines= when using the relink feature you can only relink one file at a time. How about adding support for multiple files selected.