Version: (?) cdimage 04-Oct-2010
cdimage: http://cdimage.debian.org/cdimage/weekly-builds/amd64/iso-cd/ (CD1)
Excuse for my bad English.
The installation freeze at "APT Configuration" - "Cdset.... " 25%.
The system ask if I wanto to check other CD/DVD. I answer <No>. The next step freeze.
Other information: at the step about the hardware configuration, the installer does not recognize the network card.