Traceback (most recent call last):
  File "/usr/bin/install-package", line 206, in commit
    result = self._cache.commit(self.fprogress,self.iprogress)
  File "/usr/lib/python2.6/dist-packages/apt/cache.py", line 274, in commit
    res = self._fetchArchives(fetcher, pm)
  File "/usr/lib/python2.6/dist-packages/apt/cache.py", line 205, in _fetchArchives
    return self._runFetcher(fetcher)
  File "/usr/lib/python2.6/dist-packages/apt/cache.py", line 187, in _runFetcher
    raise FetchFailedException(errMsg)
FetchFailedException: Failed to fetch http://de.archive.ubuntu.com/ubuntu/pool/universe/libd/libdvdread/libdvdread4_4.1.3-4ubuntu1_i386.deb 404 Not Found [IP: 141.76.2.131 80]
Failed to fetch http://de.archive.ubuntu.com/ubuntu/pool/main/f/ffmpeg-debian/libpostproc51_0.svn20090303-1ubuntu4_i386.deb 404 Not Found [IP: 141.76.2.131 80]
Failed to fetch http://de.archive.ubuntu.com/ubuntu/pool/main/x/xine-lib/libxine1-ffmpeg_1.1.16.2-1ubuntu3_i386.deb 404 Not Found [IP: 141.76.2.131 80]