I have the same problem in Debian Wheezy debian-installer. I was booting from PXE. As workaround:
#Change the console Alt + -> #find out PID from udpkg ps |grep udpkg|cut -d\ -f1 #kill this kill $PID #find out PID from network-preseed ps |grep network-preseed #kill it kill $PID #Continue your Installation Alt + <- -- To UNSUBSCRIBE, email to debian-boot-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/20130605040548.GA10858@vsrv-jgr-squeeze