Can you provide at least a few examples of the "many" packages
(meaning give an example of an attempt to download, showing the URL
used, not just the package name)?
Here's another one:
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
curl: (22) The requested URL returned error: 403
### execution of curl failed, exit code 22
Downloading the file "portaudio_v18_1.zip" failed.
(1) Give up
(2) Retry the same mirror
(3) Retry another mirror from your continent
(4) Retry another mirror
How do you want to proceed? [3]
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
curl: (22) The requested URL returned error: 404
### execution of curl failed, exit code 22
Downloading the file "portaudio_v18_1.zip" failed.
(1) Give up
(2) Retry the same mirror
(3) Retry another mirror from your continent
(4) Retry another mirror
How do you want to proceed? [3]
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 537k 100 537k 0 0 641k 0 --:--:-- --:--:-- --:--:-- 852k