On Thu, Sep 10, 2009 at 9:53 PM, Zhang Weiwu <zhangweiwu@realss.com> wrote: > I could name about 6 applications if I try to remember carefuly 'cos I used > it for 1/2 year and this is the fifirst complaint. So you have worked on this system for half a year, what did you do recently? Have you ever done an upgrade? Can you provide your /etc/apt/source.list file? Did you see any errors while doing aptitude update/upgrade? -- Regards. -Tian