[bglug] Problemi install openoffice

[koan]

Non riesco ad installare Opernoffice, cosa posso fare ?
TIA


debian:~# apt-get install openoffice.org
Reading Package Lists... Done
Building Dependency Tree... Done
The following extra packages will be installed:
  openoffice.org-bin openoffice.org-debian-files openoffice.org-l10n-en
Suggested packages:
  openoffice.org-help ooqstart-gnome oooqs-kde cupsys-bsd ttf-bitstream-vera
  openoffice.org-gnome openoffice.org-hyphenation 
openoffice.org-hyphenation-en
  openoffice.org-help-en
Recommended packages:
  x-ttcidfont-conf
The following NEW packages will be installed:
  openoffice.org openoffice.org-bin openoffice.org-debian-files 
openoffice.org-l10n-en
0 upgraded, 4 newly installed, 0 to remove and 8 not upgraded.
Need to get 43.8MB/57.2MB of archives.
After unpacking 183MB of additional disk space will be used.
Do you want to continue? [Y/n]
Get:1 http://ftp.tu-clausthal.de unstable/main openoffice.org-bin 
1.1.0-2 [43.8MB]
Fetched 835B in 0s (3503B/s)
Failed to fetch 
http://ftp.tu-clausthal.de/pub/linux/debian/pool/main/o/openoffice.org/openoffice.org-bin_1.1.0-2_i386.deb  
Size mismatch
E: Unable to fetch some archives, maybe run apt-get update or try with 
--fix-missing?