Error!

[Moshiur Rahman Khan <moshiur@msn.com>]

Sources.gz doesn't work. Please see the error immediately 
 
 
Failed to fetch http://security.debian.org/dists/stable/updates/main/source/Sources.gz  500 ( Not implemented  ) [IP: 212.211.132.32 80]

Technical Information (for support personnel)

• Error Code: 500 Internal Server Error. Not implemented (-2147467263)