Ubuntu repositories broken
1520
How to install software or upgrade from an old unsupported release?
23273
How to delete broken packages in ubuntu
46424
Cannot update software center repositories
66285
Package repository down, how to relocate?
1632
How do I fix a "Failed to download package files" error?
137372
GitHub API: Repositories Contributed To
78094
Is it possible to mirror the apt repositories?
3298
How do I resolve unmet dependencies after adding a PPA?
104906
Unable to connect to repository in MiKTeX 2.9
58573
Broken package after update: linux-headers, error: BrokenCount >0
154420
"Failed to download repository information" error
108176
Ubuntu 16.04 broken kernel packages won't let me install or remove anything with apt-get
2280
Package system is broken. How to fix it?
43579
I cannot install new packages: "Could not get lock /var/lib/dpkg/lock"
61177
How to set up an APT repository?
155918
What information do I need to solve an APT dependency issue?
133137
"Problem with MergeList /var/lib/apt/lists/repository.spotify.com" while updating the list