After a recent update, when I tried to open the virtualbox, it has been closed without any type of error. So, what to do? I found a very useful package, that it helped me to solve these kind of problems:
To install this package, you can download it from AUR and then compile the source code (follow this blog ), or you can install it through
yaourt (yaourt: how to install through terminal), a community-contributed wrapper for
pacman which adds seamless access to the AUR, allowing and automating package compilation and installation from your choice of the thousands of PKGBUILDs in the AUR, in addition to the many thousands of available Arch Linux binary packages.
Now, to downgrade a broken package, you have to simple digit:
In my case, I wrote:
(the tab completion is working also with this command). Just choose the version of the package to install, if ban the an eventually new version of the package from future update and the downgrade will executed.