David Primero Segundo wrote: > Hello friends, i am very sad because my system debian is instable. When > i run: apt-get upgrade or when i run aptitude to install or remove or > upgrade a package, or when i use dpkg, debia answer me the next: > http://pastebin.ca/392151, please i don't know to do i need help you. Sorry to say this: That error is an i/o error. It looks to me like you may have a hard disk problem.