I am always stuck at the following error. I use ubuntu version 16.10
Ign:7 http://ppa.launchpad.net/upubuntu-com/web/ubuntu yakkety/main amd64 Packages
Ign:8 http://ppa.launchpad.net/upubuntu-com/web/ubuntu yakkety/main i386 Packages
Ign:9 http://ppa.launchpad.net/upubuntu-com/web/ubuntu yakkety/main all Packages
Ign:10 http://ppa.launchpad.net/upubuntu-com/web/ubuntu yakkety/main Translation-en
Ign:11 http://ppa.launchpad.net/upubuntu-com/web/ubuntu yakkety/main Translation-en_IN
Ign:12 http://ppa.launchpad.net/upubuntu-com/web/ubuntu yakkety/main amd64 DEP-11 Metadata
Ign:13 http://ppa.launchpad.net/upubuntu-com/web/ubuntu yakkety/main all DEP-11 Metadata
Ign:14 http://ppa.launchpad.net/upubuntu-com/web/ubuntu yakkety/main DEP-11 64x64 Icons
0% [Waiting for headers] [Waiting for headers]
Please help. I have already check for other answer with no luck.