None of the software I have bought can be installed in 13.04, how can I get it all back?
67360
Reinstall commercial software (e.g. oil rush, steelstorm etc.)
120
How do I restore the default repositories?
29326
Can't install a package due to "Something wicked happened resolving" error
54824
Ubuntu software not showing any software
2136
How to roll back Ubuntu to a previous version?
134563
How do I remove a broken software source?
41519
What can I do if a package is not available on the newest version of Ubuntu (18.04) but is available on older versions?
7709
17.10 Software installed in software center, but not accessible
135597
Software from Ubuntu Software broken after install
87672
Apt-Get system completely broken. possible to completely reinstall it?
111546
How to install software into the home partition?
113710
Reinstall software-center in Ubuntu 16.04
20817
Missing new file in Ubuntu 13.04
18052
How to remove/install a package that is not fully installed?
36111
Can I uninstall and reinstall Ubuntu Software Center?
6501
How to reinstall configuration file
115364
Deleted most of the packages using apt-get purge package\*; How can I get them back?