Fix Ubuntu reinstall
413
How do I install Ubuntu?
135597
Software from Ubuntu Software broken after install
30233
How can I fix/install/reinstall grub?
8912
Can a system restore reinstall uninstalled programs?
72869
Reinstalling Ubuntu without formatting partition - what folders are deleted?
23908
How can I reinstall GRUB to the EFI partition?
74457
I want to completely replace Ubuntu with Lubuntu
58487
How do I destroy my installation? (render it unbootable?)
73173
How to Fix Broken Packages?
54684
File corrupted, how do I reinstall packages on Debian?
46969
Ubuntu fix dependency problems
54710
How can I re install the APT Tool?
128253
do i need to reinstall all my softwares after upgrading ubuntu 12.10 to 13.04?
67365
How to install another Ubuntu alongside different version of Ubuntu?
87551
How to repair grub?
2280
Package system is broken. How to fix it?
86225
(Re?)Install Ubuntu on a Dell laptop that had Ubuntu preinstalled