Can't update system configuration

[Marcelo Magno T. Sales]

Em segunda-feira, 23 de dezembro de 2013, às 15:55:26, Marcelo Magno T. Sales 
escreveu:
> Hello,
> 
> I'm trying to change a file type association using System Settings -> File
> Associations. After I apply the change I want, I get a dialog which reads
> "Updating system configuration." with a progress bar that goes all the way
> to 100% and then goes back to 0% and repeats this indefinitely. I can wait
> for days and it does not finish. If I cancel, the change is not applied.
> This also happens when I try to make changes in the K Menu.
> Any idea on what may be causing this problem and how can I solve it?
> 
> Thanks,
> 
> Marcelo

Sorry, I forgot to add that I'm using Kubuntu 12.10 and KDE 4.11.1 from the 
backports repo.

Thanks,

Marcelo