I cannot install deb files with the software centre. What are the immediate workarounds?
26305
Problem with .deb packages on Ubuntu 16.04
50098
How to install .deb file in ubuntu using terminal?
11083
How do I install a .deb file via the command line?
62122
How to create a DEB file manually?
67779
Install button in Software Center is disabled
2724
Ubuntu Software doesn't work and why are there two Software Center in Ubuntu 20.04?
112267
Can you help me with my software dependency issue?
25071
How to install .debs in a folder using a single command?
1520
How to install software or upgrade from an old unsupported release?
136982
Manually installing a program on Debian
98957
How can I create a deb from binaries?
95880
How to keep my Debian system with the latest packages?
80579
No install button in software centre?
14689
How to let `dpkg -i` install dependencies for me?
95929
Dropbox install stuck at 99%, how do I fix it? (and any dpkg errors)
66694
Is there an apt command to download a deb file from the repositories to the current directory?
728
Unable to lock the administration directory (/var/lib/dpkg/) is another process using it?