Muzes mi vysvetlit, co mas porad s tou velikosti 451MB...?
Windows 7 Professional with Service Pack 1 (x64) - DVD (English)
File Name: en_windows_7_professional_with_sp1_x64_dvd_u_67693 9.iso
SIZE: 3 320 903 680 byte
Date Published (UTC): 5/12/2011 2:37:46 PM
Last Updated (UTC): 5/12/2011 2:37:46 PM
SHA1: 0BCFC54019EA175B1EE51F6D2B207A3D14DD2B58
MD5: ED15956FE33C13642A6D2CB2C7AA9749
ISO/CRC: AD44DB36

Pokud mas original ISO, tak nepotrebujes zadne PowerIso, ani zadne reulozeni.
Normalne das vypalit jako image. Tecka.