t@PLEXBOX:~/eggdrop-1.8.1$ sudo apt-get install tcl tcl-dev
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following additional packages will be installed:
  libtcl8.6 tcl8.6 tcl8.6-dev
Suggested packages:
  tcl-doc tcl-tclreadline tcl8.6-doc
The following NEW packages will be installed:
  libtcl8.6 tcl tcl-dev tcl8.6 tcl8.6-dev
0 to upgrade, 5 to newly install, 0 to remove and 0 not to upgrade.
Need to get 1,782 kB of archives.
After this operation, 8,668 kB of additional disk space will be used.
Do you want to continue? [Y/n] Y
Err:1 http://au.archive.ubuntu.com/ubuntu xenial/main amd64 libtcl8.6 amd64 8.6.5+dfsg-2
  403  Forbidden [IP: 2001:388:30bc:cafe::beef 80]
Err:2 http://au.archive.ubuntu.com/ubuntu xenial/main amd64 tcl8.6 amd64 8.6.5+dfsg-2
  403  Forbidden [IP: 2001:388:30bc:cafe::beef 80]
Err:3 http://au.archive.ubuntu.com/ubuntu xenial/main amd64 tcl amd64 8.6.0+9
  403  Forbidden [IP: 2001:388:30bc:cafe::beef 80]
Err:4 http://au.archive.ubuntu.com/ubuntu xenial/main amd64 tcl8.6-dev amd64 8.6.5+dfsg-2
  403  Forbidden [IP: 2001:388:30bc:cafe::beef 80]
Err:5 http://au.archive.ubuntu.com/ubuntu xenial/main amd64 tcl-dev amd64 8.6.0+9
  403  Forbidden [IP: 2001:388:30bc:cafe::beef 80]
E: Failed to fetch http://au.archive.ubuntu.com/ubuntu/pool/main/t/tcl8.6/libtcl8.6_8.6.5+dfsg-2_amd64.deb 403  Forbidden [IP: 2001:388:30bc:cafe::beef 80]

E: Failed to fetch http://au.archive.ubuntu.com/ubuntu/pool/main/t/tcl8.6/tcl8.6_8.6.5+dfsg-2_amd64.deb 403  Forbidden [IP: 2001:388:30bc:cafe::beef 80]

E: Failed to fetch http://au.archive.ubuntu.com/ubuntu/pool/main/t/tcltk-defaults/tcl_8.6.0+9_amd64.deb 403  Forbidden [IP: 2001:388:30bc:cafe::beef 80]

E: Failed to fetch http://au.archive.ubuntu.com/ubuntu/pool/main/t/tcl8.6/tcl8.6-dev_8.6.5+dfsg-2_amd64.deb 403  Forbidden [IP: 2001:388:30bc:cafe::beef 80]

E: Failed to fetch http://au.archive.ubuntu.com/ubuntu/pool/main/t/tcltk-defaults/tcl-dev_8.6.0+9_amd64.deb 403  Forbidden [IP: 2001:388:30bc:cafe::beef 80]

E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?