title: Errors: How to fix hashes error while updating raspberry pi 3 b
body: <p>I am trying to update Raspberry Pi 3b through command <code>sudo apt-get update</code> but got these "Hashes Errors". I have tried this command several times but the problem still the same. Kindly help me solving this error. Here's thet output after the commmand run:</p>
  
  <pre><code>sudo apt-get update
  Get:1 http://raspbian.raspberrypi.org/raspbian stretch InRelease [15.0 kB]     
  Get:2 http://raspbian.raspberrypi.org/raspbian stretch/main armhf Packages [11.7 MB]
  Err:2 http://raspbian.raspberrypi.org/raspbian stretch/main armhf Packages     
    Hash Sum mismatch
    Hashes of expected file:
     - Filesize:11662080 [weak]
     - SHA256:a036d099327c871ba722cea0187061525491c81fe5aaeeb48a545e0de8b36b25
     - SHA1:1ab18738896a891f6b6de1859e629abf0294deba [weak]
     - MD5Sum:fc13d3b6c5064a2bfea645e80e623f2d [weak]
    Hashes of received file:
     - SHA256:f00a5626fd1c9e5e450705bb67773463d8c4e7bb2e015478b6366365d69b19fd
     - SHA1:1ecee441f5aaa963901989fde2a20a84f55dc9c1 [weak]
     - MD5Sum:773e014e13e59526b0acbedd9e843b7d [weak]
     - Filesize:2985974 [weak]
    Last modification reported: Sat, 13 Jul 2019 17:56:35 +0000
    Release file created at: Sun, 14 Jul 2019 08:22:08 +0000
  Get:3 http://raspbian.raspberrypi.org/raspbian stretch/contrib armhf Packages [56.9 kB]
  Get:4 http://raspbian.raspberrypi.org/raspbian stretch/non-free armhf Packages [95.5 kB]
  Get:5 http://raspbian.raspberrypi.org/raspbian stretch/rpi armhf Packages [1,360 B]
  0% [Connecting to archive.raspberrypi.org (93.93.128.133)]                     
  Hit:6 http://archive.raspberrypi.org/debian stretch InRelease
  Fetched 85.1 kB in 4min 3s (349 B/s)
  Reading package lists... Done
  E: Failed to fetch http://raspbian.raspberrypi.org/raspbian/dists/stretch/main/binary-armhf/Packages.xz  Hash Sum mismatch
     Hashes of expected file:
      - Filesize:11662080 [weak]
      - SHA256:a036d099327c871ba722cea0187061525491c81fe5aaeeb48a545e0de8b36b25
      - SHA1:1ab18738896a891f6b6de1859e629abf0294deba [weak]
      - MD5Sum:fc13d3b6c5064a2bfea645e80e623f2d [weak]
     Hashes of received file:
  - SHA256:f00a5626fd1c9e5e450705bb67773463d8c4e7bb2e015478b6366365d69b19fd
      - SHA1:1ecee441f5aaa963901989fde2a20a84f55dc9c1 [weak]
      - MD5Sum:773e014e13e59526b0acbedd9e843b7d [weak]
      - Filesize:2985974 [weak]
     Last modification reported: Sat, 13 Jul 2019 17:56:35 +0000
     Release file created at: Sun, 14 Jul 2019 08:22:08 +0000
  E: Some index files failed to download. They have been ignored, or old ones used instead.***``
  </code></pre>