Originally posted by: apinomus
Try mounting it with Daemon Tools or something similar to see if it's legit or corrupted, then try burning it.
Originally posted by: ZimZum
Nero will not burn IMG files. At one point it did but for whatever reason They removed support for the IMG format from the program. Download a program called "ImgBurn" its written buy the same guy who did DVD Decrypter. Its essentially an updated version of Decrypter without the "DVD Ripping" function.