Looks like this thread has been silent for a while...
Anyone find a solution to this one? I'm getting the same thing (Hang on "Reserving Track") with the following combination:
LG GGW-H20L (Firmware YL05)
TDKBLD-RFB-00 (dual layer BD-R)
ImgBurn 2.5.0.0
Any help appreciated...
Cheers.