This error has one of two causes: 1> You are saving a torrent with a single file over 4GB to a FAT32 hard drive. 2> You are saving a torrent with a single file over 4GB to an apple network attached storage device such as their Time Capsule product. In either case, the solution is saving to a hard drive that does not report itself as FAT32, either by converting the hard drive, or saving to a different location. With the issues with the Apple products, there is no workaround that will allow