Why has a lot of software disappeared from Ubuntu Software in Ubuntu 16.04?
25001
E: Problem executing scripts APT Update::Post-Invoke-Success error during apt-get update
120
How do I restore the default repositories?
69200
How do I reinstall Ubuntu Software in Ubuntu 20.04 LTS version?
92091
Which default programs can be safely uninstalled?
15281
How to get a complete list of all applications installed?
1714
Fixing software center catalog
36111
Can I uninstall and reinstall Ubuntu Software Center?
65079
How can I backup my programs/applications, so that after I reinstall a new one, I can still use the backup-ed ones?
34659
How to reinstall many removed packages at once?
53134
How can I get a list of the biggest packages currently installed in order?
94603
Where are packages stored installed with APT in Ubuntu 16.04?
47808
"The following packages were automatically installed and are no longer required:" what to do?
135393
Why does Ubuntu Software Center not show every package available?
73749
How to find manually installed packages?
31892
New "Ubuntu Software" not working (16.04)
135055
Why does dpkg --list no longer show all installed programs?
99928
How to remove all i386 packages from Ubuntu 64bit?