How to solve "The repository does not have a Release file"?
133
How can I fix a 404 Error when using a PPA or updating my package lists?
511
How to enable silent automatic updates for any repository?
90212
'http://download.opensuse.org/repositories/home:/strycore/xUbuntu_16.04 ./ Release' is not signed
10193
Failed to download repository information due to missing CDROM
73173
How to Fix Broken Packages?
124502
how to resolve unmet dependencies and file collisions due mixing diferent repositories?
85250
Skipping acquire of configured file 'xxxx' as repository 'xxxx xenial InRelease' doesn't support architecture 'i386'"
49337
How to add repository from shell in Debian?
149245
What to do about "the disk drive for /dev/mapper/cryptswap1 is not ready yet or not present"?
64509
Can't update from official repositories [Error 409]
19749
How to debug an unmet dependencies problem?
115722
Apt sources.list problem , packages not found?
49149
How do I solve "Unable to fetch some archives, maybe run apt-get update or try with --fix-missing" error?
36696
Unmet dependencies unable to fix
122274
Release file for http://archive.ubuntu.com/ubuntu/dists/bionic-updates/InRelease is not valid yet
11909
404 error with apt-get update, Don't have any PPA's
120713
Release file does not exist