heya guys, this is my first time using a linux based system,but when i try install kmplayer at terminal using sudo apt-get install kmplayer
gives this problem?
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Obter:1 http://sft.if.usp.br/deepin unstable/main amd64 sound-theme-freedesktop all 0.8-1 [385 kB]
Err:1 http://sft.if.usp.br/deepin unstable/main amd64 sound-theme-freedesktop all 0.8-1
  Hash Sum incorreto
  Hashes of expected file:
   - SHA256:cdf6144fb8392b7d274a586f11310ceda08d151f8e2e4c81156388787c82cc66
   - SHA1:62fc964b6e0106c66995c4bc5018f4d473498d99 [weak]
   - MD5Sum:df8e451fa8dc455211a09653e743556a [weak]
   - Filesize:384766 [weak]
  Hashes of received file:
   - SHA256:6605b010c62a1227da6e1ed909368944a4d664ea237ba7a0ae8f6ccde7ef2f5b
   - SHA1:2b99bbc340a9ee306696d76a0dcccc5355862ee3 [weak]
   - MD5Sum:cede8666fb3474db0d349162d33631e6 [weak]
   - Filesize:384766 [weak]
  Last modification reported: Wed, 03 Jul 2013 23:45:01 +0000
Obter:1 http://sft.if.usp.br/deepin unstable/main i386 sound-theme-freedesktop all 0.8-1 [385 kB]
Err:1 http://sft.if.usp.br/deepin unstable/main i386 sound-theme-freedesktop all 0.8-1
  Hash Sum incorreto
  Hashes of expected file:
   - SHA256:cdf6144fb8392b7d274a586f11310ceda08d151f8e2e4c81156388787c82cc66
   - SHA1:62fc964b6e0106c66995c4bc5018f4d473498d99 [weak]
   - MD5Sum:df8e451fa8dc455211a09653e743556a [weak]
   - Filesize:384766 [weak]
  Hashes of received file:
   - SHA256:6605b010c62a1227da6e1ed909368944a4d664ea237ba7a0ae8f6ccde7ef2f5b
   - SHA1:2b99bbc340a9ee306696d76a0dcccc5355862ee3 [weak]
   - MD5Sum:cede8666fb3474db0d349162d33631e6 [weak]
   - Filesize:384766 [weak]
  Last modification reported: Wed, 03 Jul 2013 23:45:01 +0000
Baixados 770 kB em 0s (2.506 kB/s)               
E: Falhou ao buscar http://sft.if.usp.br/deepin/pool/main/s/sound-theme-freedesktop/sound-theme-freedesktop_0.8-1_all.deb  Hash Sum incorreto
   Hashes of expected file:
    - SHA256:cdf6144fb8392b7d274a586f11310ceda08d151f8e2e4c81156388787c82cc66
    - SHA1:62fc964b6e0106c66995c4bc5018f4d473498d99 [weak]
    - MD5Sum:df8e451fa8dc455211a09653e743556a [weak]
    - Filesize:384766 [weak]
   Hashes of received file:
    - SHA256:6605b010c62a1227da6e1ed909368944a4d664ea237ba7a0ae8f6ccde7ef2f5b
    - SHA1:2b99bbc340a9ee306696d76a0dcccc5355862ee3 [weak]
    - MD5Sum:cede8666fb3474db0d349162d33631e6 [weak]
    - Filesize:384766 [weak]
   Last modification reported: Wed, 03 Jul 2013 23:45:01 +0000
E: Impossível buscar alguns arquivos, talvez executar apt-get update ou tentar com --fix-missing?
--
already tried apt-get update /fix-missing but no solution,i dont know what do now