I recently bought a packet of 15 DVD+RW from Fujifilm, and I'm not sure about the rest of the DVDs, but the first four I've tested have some sort of wave on the bottom, and I'm not sure if I can successfully write to them or not, but no matter what program I try to erase them with I get errors. ImgBurn, Nero 6, etc. Is there a way to fix this or are they a bad batch? I've tried emailing Fujifilm but their site is slow, they don't have an immediantly clear contact address for defective products so I'm not sure if I even mailed it to the right location, and I haven't gotten a response yet (it's been two days). I purchased them while on vacation, so going back to the same store is out of the question. Would a store that sells the same product take these back?