Excuse me for not giving the right specs from the beginning.
The problem occurs on a laptop with Windows7 Home.
SPECS:
DELL N5110 R - Intel i5 2410M processor (2.3GHz, 3MB cache, 2.9GHz Turbo Boost) 2nd Generation (with last BIOS upgrade)
Windows 7 Home Premium (64-bit)
6GB DDR3 memory (1333MHz)
HHD Seagate 500GB 5400rpm
Intel HD integrated graphics
8X Tray Load CD / DVD Burner
10/100 Ethernet, 802.11n wireless, and Bluetooth
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I've tried to do the download on clean run mod only with processes from Microsoft and it always happens the same
I've tried to do it with the original DVD upgrade (Box) and a second link that MS referred to me. Needless to say, in total, more than 7 attempts were made.