Some registries failed to update!?

When performing the command (@v1.7) pkg>up, I receive the following alert:

Error: Some registries failed to update:

from the following list:
(@v1.7) pkg> st
Status C:\Users\Hermesr\.julia\environments\v1.7\Project.toml
[336ed68f] CSV v0.8.5
[31c24e10] Distributions v0.23.11
[587475ba] Flux v0.8.3
[916415d5] Images v0.24.1
[eb30cadb] MLDatasets v0.5.13
[91a5bcdd] Plots v1.0.14
[438e738f] PyCall v1.93.1
[ce6b1742] RDatasets v0.7.7
[b8865327] UnicodePlots v2.9.0
[8bb1440f] DelimitedFiles
[de0858da] Printf
[10745b16] Statistics

Only the following have been updated:

julia>using Printf

julia> using CSV
[ Info: Precompiling CSV [336ed68f-0bac-5ca0-87d4-7b16caf5d00b]

julia> using Statistics

julia> using RDatasets
[ Info: Precompiling RDatasets [ce6b1742-4840-55fa-b093-852dadbb1d8b]

the rest without success. I live in all this alert (summarized)

 using Images
[ Info: Precompiling Images [916415d5-f1e6-5110-898d-aaa5f9f070e0]
ERROR: LoadError: InitError: Artifact "OpenSpecFun" was not installed correctly. Try `using Pkg; Pkg.instantiate()` to re-install all missing resources.

I carry out the recommendation given in the Alert:

julia>using Pkg; 
julia> Pkg.instantiate()
     Cloning [aacddb02-875f-59d6-b918-886e6ef4fbf8] JpegTurbo_jll from
ERROR: failed to clone from, error: GitError(Code:ERROR, Class:OS, failed to send request: The connection with the server was terminated abnormally

Why are some packages updated and others not?
Any rule to follow to discretize between packages with the ability to update and those that do not?!