You do need to reauthor the files, as you want to exclude certain sections of what you do have contained within the files; and ImgBurn is not the program that will do that for you, it will burn the files you give it.
Figure out the problem with Shrink or do a Google search for an editing program.
There is a lot more to the log than what you posted. Open the log and copy and paste it to your response. Also, since all the operations you are doing access the hdd, try burning w/o doing all the extra stuff and close your browser.
spinner
Nothing is a certainty pursuitforce. We know that the AD-7420 is a good burner, but a guarantee that it will burn the discs that you want to instead of the recommended ones, Verbatim Data-Life plus or Taiyo Yuden, just isn't possible.
spinner
Since ImgBurn only burns what you tell it to, look at the settings on your file creation program and:
http://forum.imgburn.com/index.php?showtopic=8000