my friends b-day is tommorow and we make videos from dancing to songs and stuf and i wanted to make her a cd of our dance so i bought a 10 pak of 4.7 blank discs of DVD-R's then a CD-R 10 pak with 80 minutes. im using Windows Media Player to try and copy the video onto one of them so i insert the disc then press "start burn" then it ejects the disc and says "please insert a blank E: disc then it will start burning automatically"...and the guy that sold me the discs at wal mart said that this would work...please help me !