You can change a piece of dvd , try to use the previous two software, if converted, then the problem is the dvd, can not,maybe it is you converter's problem
here you can try BestHD Blu-ray DVD Ripper .it supports converting blu-ray disks (BD) and general DVDs to AVI, DivX, XviD, DVD, WMV, MPEG4 MOV, MKV, FLV, with excellent quality and amazing speed.And Blue Ray Converter supports converting Blu-ray to HD formats, such as HD AVI, HD MPEG, HD MOV, AVC, HD WMV, etc.. more information about it you can visit here
http://www.besthdsoft.com/best-hd-blu-ray-dvd-ripper.html
Contact me if you need further assistance.