"package libmono-security4.0-cil is not ready for configuration" how to make it ready?
5407
How to fix "W: Duplicate sources.list entry"?
43579
I cannot install new packages: "Could not get lock /var/lib/dpkg/lock"
85250
Skipping acquire of configured file 'xxxx' as repository 'xxxx xenial InRelease' doesn't support architecture 'i386'"
150705
Error: Refresh failed because resolved configuration is not available
121534
Cannot find libcrypto in Ubuntu
30707
What am I missing from my environment variables for my linker to fail with LNK1181?
1632
How do I fix a "Failed to download package files" error?
144022
How to install a package from a local repository?
137927
How do I install mupen64plus?
28369
Configuration and compilation settings used for Ubuntu packages
109677
How do I to resolve unmet dependencies to uninstall and reinstall package
113873
libsensors5 or libsensors-config upgrade problem
117921
Step to step how to install Cinelerra
61719
Libpng12 needed for 17.10
25107
Unmet dependencies: linux-generic
65299
How do I set up a "secure" open resolver?
249
How do I fix this "E: Type '*' is not known on line * in source list ..." update error?