key ppa unverified

hello i am a ubuntu lover, i have install ubuntu gamepack 16.04 64 bit. i have update all system and manage to do software upgrade but i found error in terminal after update.

here error me provide ,hope hear from you soon

E: Failed to fetch ppa.launchpad.net/wine/wine-builds/ubunt...ntu16.04.1_amd64.deb Connection timed out

E: Failed to fetch ppa.launchpad.net/wine/wine-builds/ubunt...ntu16.04.1_amd64.deb Connection failed

E: Failed to fetch ppa.launchpad.net/wine/wine-builds/ubunt...untu16.04.1_i386.deb Connection timed out

E: Failed to fetch archive.ualinux.com/ubuntu/main/xenial/f....16.04.1~lo0_all.deb 404 Not Found

E: Failed to fetch ppa.launchpad.net/nilarimogard/webupd8/u...d8~xenial1_amd64.deb Connection timed out

E: Failed to fetch archive.ualinux.com/ubuntu/main/xenial/l...u1~xenial1_amd64.deb 404 Not Found

E: Failed to fetch archive.ualinux.com/ubuntu/main/all/snow...ntu1~wily0_amd64.deb 404 Not Found

E: Failed to fetch archive.ualinux.com/ubuntu/main/all/snow...ntu1~wily0_amd64.deb 404 Not Found

E: Failed to fetch archive.ualinux.com/ubuntu/main/xenial/n...ntu1~xenial1_all.deb 404 Not Found

E: Failed to fetch archive.ualinux.com/ubuntu/main/xenial/n...u1~xenial1_amd64.deb 404 Not Found

E: Failed to fetch archive.ualinux.com/ubuntu/main/xenial/t...tu1~16.104.2_all.deb Operation too slow. Less than 10 bytes/sec transferred the last 120 seconds

E: Failed to fetch archive.ualinux.com/ubuntu/main/xenial/t...1~16.104.2_amd64.deb Operation too slow. Less than 10 bytes/sec transferred the last 120 seconds

Mohamad Najib Basri wrote: E: Failed to fetch archive.ualinux.com/ubuntu/main/xenial/f....16.04.1~lo0_all.deb 404 Not Found
E: Failed to fetch archive.ualinux.com/ubuntu/main/xenial/l...u1~xenial1_amd64.deb 404 Not Found
E: Failed to fetch archive.ualinux.com/ubuntu/main/all/snow...ntu1~wily0_amd64.deb 404 Not Found
E: Failed to fetch archive.ualinux.com/ubuntu/main/all/snow...ntu1~wily0_amd64.deb 404 Not Found
E: Failed to fetch archive.ualinux.com/ubuntu/main/xenial/n...ntu1~xenial1_all.deb 404 Not Found
E: Failed to fetch archive.ualinux.com/ubuntu/main/xenial/n...u1~xenial1_amd64.deb 404 Not Found
E: Failed to fetch archive.ualinux.com/ubuntu/main/xenial/t...tu1~16.104.2_all.deb Operation too slow. Less than 10 bytes/sec transferred the last 120 seconds
E: Failed to fetch archive.ualinux.com/ubuntu/main/xenial/t...1~16.104.2_amd64.deb Operation too slow. Less than 10 bytes/sec transferred the last 120 seconds

this problem was eliminated.
everything should work.