I had a VHS tape transfered to DVDR. I don't know what brand they used but I doubt it was anything special. Anyway, the disc plays fine both on pc and my standalone. Trying to rip it onto my hard disc to make a backup however is not going so well... Shrink comes back with a "cyclic redundancy check" error during the analysis. This however, after the video preview shows the entire project, credits and all, which seems to be followed by a black screen that looks like the last 25% of the disc. Hmmmm. TMPGEng Author gives me a "Stream Reading (3105/3885MB) error. I'm trying SmartRipper now and it seems to be frozen at the 79% mark for some 20 mins. I was successful at making an ISO of the DVD with WinISO but onced burned with Nero 6 the disc shows either empty on my laptop, or is an invalid format on my pc. I want to re-author this disc with my own menu and chapters. Any suggestions?