> Hello. I'm receiving error messages whenever I run an application
> related to APT, repositoroes, etc. I haven't made any changes, it
> just started several weeks ago. I've run 'apt-get update' several
> times, with no positive effect. The error messages are too numerous
> to post all. Please help.
>
What errors?
Desktop > Administration > Update Manager
http://http.us.debian.org/debian/dists/etch/contrib/binary-i386/PackagesIndex : MD5Sum mismatch
http://http.us.debian.org/debian/dists/etch/non-free/binary-i386/PackagesIndex : MD5Sum mismatch
http://http.us.debian.org/debian/dists/etch/contrib/source/SourcesIndex : MD5Sum mismatch
http://http.us.debian.org/debian/dists/etch/non-free/source/SourcesIndex : MD5Sum mismatch
http://http.us.debian.org/debian/dists/etch/main/binary-i386/PackagesIndex : MD5Sum mismatch