Ubuntu 12.04 shows Packages 404 not found while updating and Hash sum mismatch
4853
Trouble downloading packages list due to a "Hash sum mismatch" error
126273
error: package architecture (amd64) does not match system (i386)
110896
Package installation - Outdated repository
65099
Unable to install any updates through update manager/apt-get upgrade
108510
apt-get update very slow, stuck at "Waiting for headers"
119323
"Unable to locate package" errors for all software
53099
How to fix "-5 No address associated with hostname error" while updating?
93246
How to resolve conflicting distributions in apt-get
13720
apt-get update fails to fetch files, “Temporary failure resolving …” error
40021
How can I get a list of all packages available for a specific version of Ubuntu (not necessarily the one I have installed)?
44209
Problem with update-manager: No module named 'apt_pkg' in Ubuntu 13.10, having installed Python 3.4 on /usr/local/lib
56150
Can't upgrade/update ubuntu 18.04 as apt/dpkg error is showing up
51598
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?
67218
update OSX Yosemite & cksum mismatch
145263
“Hash sum mismatch” error due to identical SHA1 and MD5 but different SHA256
1632
How do I fix a "Failed to download package files" error?
30754
Cannot update: "No available releases found"