If you want to copy and shrink DVD with DVD Shrink, it may pop up some error messages: DVD Shrink encountered an error and cannot continue, DVD Shrink invalid DVD navigation structure, Invalid File Structure, Programming error - Exception occurred, Parameter Incorrect, DVD Shrink Out of Memory, Data Redundancy Check Error (CRC Error), etc. Actually, DVD shrink is not able to process commercial DVDs with copyright protected. Furthermore, the official has been stopped developing since 2004, and it's not well compatible with Windows 10. So, for any DVD shrink, a nice DVD Shrink alternative will be a necessary. That means you need to find another alternative to DVD Shrink. Based on intuitive interface and easy-to-use operation, DVDFab HD Decrypter, WonderFox DVD Ripper Speedy and Format Factory are highly recommended. These DVD Shrink replacement work well and keep updates nowadays.