Hi all, I tried to do a clean installation of Windows 8 on my recently formatted computer. I have an 750Gb HDD on which I was planning to install them. I downloaded Windows 8 and used a USB Stick to boot it. Everything was going smoothly when at the second stage of installation "Preparing files for installation" an error message appeared saying "Windows cannot install required files. The file may be corrupt..... .... Error code: 0x8007025D I thought it was the usb stick, so I changed the stick and I had the same problem. No luck. Then I redownloaded Windows 8 and still the same thing. Finally, I tried with a DVD medium, no luck again. That's where the weird part begun, after all those failed attempts, I tried to install Windows 7 Pro from a DVD I had. And I got the same message with different error code, at the same stage of installation! (0x80070570). As a last resort I swapped the HDD with an old 80Gb one, and I received the same messages in both installations. Any ideas how can this be solved?