If you expand out your url there you get this: "http://archive.getdeb.net/ubuntu/dists/helena-getdeb/apps/binary-i386/Packages.gz"
Ubuntu does not have a version called helena, so you will wait forever for that to load.
If you change it to juanty-getdeb or karmic-getdeb you might have more luck.
Fujitsu Lifebook AH532 Laptop. Intel i5 processor, 6Gb ram, Intel HD3000 graphics, Intel Audio/wifi. Realtek RTL8111/8168B Ethernet.Ubuntu12.10 (Unity), Mint14 (Cinnamon), Manjaro (Xfce).