"You have held broken packages" error
2432
Unable to correct problems, you have held broken packages
49658
Elegant way to check for missing packages and install them?
26308
How to solve "Unable to find expected entry 'restricted/binary-1386/Packages' Wrong sources.list entry or malformed file"?
96143
How to resolve "dpkg: error processing /var/cache/apt/archives/python-apport_2.0.1-0ubuntu9_all.deb"?
2280
Package system is broken. How to fix it?
58573
Broken package after update: linux-headers, error: BrokenCount >0
91611
Unable to use package manager due to "exclusive lock" error
149428
How do I refresh the package list?
56150
Can't upgrade/update ubuntu 18.04 as apt/dpkg error is showing up
43579
I cannot install new packages: "Could not get lock /var/lib/dpkg/lock"
37798
Fix half-installed package
108176
Ubuntu 16.04 broken kernel packages won't let me install or remove anything with apt-get
1632
How do I fix a "Failed to download package files" error?
5793
Find (and reinstall) packages with corrupted files (without breaking anything)
134563
How do I remove a broken software source?
73357
Every package "has no installation candidate"
93942
How to fix "Failed to download repository information" error while updating?