The other day while working on some resource demanding projects, I decided to run my update.
Mid-installation my whole computer froze and by reflex hit the ctr-C shortcut which killed the installation. Next thing I know yum is now blocked by this error :
and it stays stuck like that. The reason is because the installation was interrupted mid-course, yum didn’t cleaned what he already installed and goes into conflict with them.
The solution is to run this command :
It will remove outdated duplicate packages and unlock the situation.
Source: Fedora Forum