On voit déjà le problème ici : cat /etc/pacman.d/mirrorlist, ce qui devrait te donner quelque chose comme ceci :
[gerard@gerard-pc ~]$ cat /etc/pacman.d/mirrorlist
##
## Manjaro Linux repository mirrorlist
## Generated on 20 August 2016 11:44
##
## Use pacman-mirrors to modify
##
## Location : Belgium
## Time : 0.042
## Last Sync :
Server = http://ftp.belnet.be/manjaro/stable/$repo/$arch
## Location : Netherlands
## Time : 0.060
## Last Sync :
Server = http://ftp.nluug.nl/pub/os/Linux/distr/manjaro/stable/$repo/$arch
## Location : France
## Time : 0.062
## Last Sync :
Server = http://mirror.lignux.com/manjaro/stable/$repo/$arch
## Location : United_Kingdom
## Time : 0.064
## Last Sync :
Server = http://manjaro.mirrors.uk2.net/stable/$repo/$arch
## Location : France
## Time : 0.074
## Last Sync :
Server = http://manjarolinux.polymorf.fr/stable/$repo/$arch
## Location : United_Kingdom
## Time : 0.075
## Last Sync :
Server = http://mirror.catn.com/pub/manjaro/stable/$repo/$arch
## Location : Germany
## Time : 0.080
## Last Sync :
Server = http://mirror.netcologne.de/manjaro/stable/$repo/$arch
## Location : Germany
## Time : 0.085
## Last Sync :
Server = http://ftp.halifax.rwth-aachen.de/manjaro/stable/$repo/$arch
## Location : Germany
## Time : 0.097
## Last Sync :
Server = http://mirror.netzspielplatz.de/manjaro/packages/stable/$repo/$arch
## Location : Ireland
## Time : 0.104
## Last Sync :
Server = http://ftp.heanet.ie/mirrors/manjaro/stable/$repo/$arch
## Location : Germany
## Time : 0.105
## Last Sync :
Server = http://ftp.tu-chemnitz.de/pub/linux/manjaro/stable/$repo/$arch
## Location : Italy
## Time : 0.106
## Last Sync :
Server = http://ba.mirror.garr.it/mirrors/manjaro/stable/$repo/$arch
## Location : Russia
## Time : 0.113
## Last Sync :
Server = http://mirror.yandex.ru/mirrors/manjaro/stable/$repo/$arch
## Location : Germany
## Time : 0.121
## Last Sync :
Server = http://mirror.ragenetwork.de/manjaro/stable/$repo/$arch
## Location : Czech
## Time : 0.133
## Last Sync :
Server = http://mirror.dkm.cz/manjaro/stable/$repo/$arch
## Location : United_Kingdom
## Time : 0.133
## Last Sync :
Server = http://www.mirrorservice.org/sites/repo.manjaro.org/repos/stable/$repo/$arch
## Location : Italy
## Time : 0.158
## Last Sync :
Server = http://ct.mirror.garr.it/mirrors/manjaro/stable/$repo/$arch
## Location : Bulgaria
## Time : 0.165
## Last Sync :
Server = http://mirrors.netix.net/manjaro/stable/$repo/$arch
## Location : Belgium
## Time : 0.170
## Last Sync :
Server = http://manjaro.cu.be/stable/$repo/$arch
## Location : Italy
## Time : 0.180
## Last Sync :
Server = http://manjaro.mirror.garr.it/mirrors/manjaro/stable/$repo/$arch
## Location : Sweden
## Time : 0.189
## Last Sync :
Server = http://mirror.zetup.net/manjaro/stable/$repo/$arch
## Location : Romania
## Time : 0.190
## Last Sync :
Server = http://mirrors.xservers.ro/manjaro/stable/$repo/$arch
## Location : Greece
## Time : 0.194
## Last Sync :
Server = http://ftp.cc.uoc.gr/mirrors/linux/manjaro/stable/$repo/$arch
## Location : Romania
## Time : 0.213
## Last Sync :
Server = http://mirrors.serverhost.ro/manjaro/packages/stable/$repo/$arch
## Location : Belarus
## Time : 0.216
## Last Sync :
Server = http://mirror.datacenter.by/pub/mirrors/manjaro/stable/$repo/$arch
## Location : Germany
## Time : 0.222
## Last Sync :
Server = http://repo.rhindon.net/manjaro/stable/$repo/$arch
## Location : Bulgaria
## Time : 0.223
## Last Sync :
Server = http://manjaro.telecoms.bg/stable/$repo/$arch
## Location : Sweden
## Time : 0.239
## Last Sync :
Server = http://ftp.lysator.liu.se/pub/manjaro/stable/$repo/$arch
## Location : Romania
## Time : 0.278
## Last Sync :
Server = http://ftp.lug.ro/manjaro/stable/$repo/$arch
## Location : Portugal
## Time : 0.294
## Last Sync :
Server = http://ftp.dei.uc.pt/pub/linux/manjaro/stable/$repo/$arch
## Location : Bulgaria
## Time : 0.299
## Last Sync :
Server = http://manjaro.ipacct.com/manjaro/stable/$repo/$arch
## Location : United_States
## Time : 0.300
## Last Sync :
Server = http://mirror.solarvps.com/manjaro/stable/$repo/$arch
## Location : United_States
## Time : 0.312
## Last Sync :
Server = http://mirror.nexcess.net/manjaro/stable/$repo/$arch
## Location : United_States
## Time : 0.318
## Last Sync :
Server = http://mirror.jmu.edu/manjaro/stable/$repo/$arch
## Location : United_Kingdom
## Time : 0.366
## Last Sync :
Server = http://repo.manjaro.org.uk/stable/$repo/$arch
## Location : United_States
## Time : 0.386
## Last Sync :
Server = http://mirror.clarkson.edu/manjaro/stable/$repo/$arch
## Location : United_States
## Time : 0.395
## Last Sync :
Server = http://www.gtlib.gatech.edu/pub/manjaro/stable/$repo/$arch
## Location : United_States
## Time : 0.400
## Last Sync :
Server = http://lug.mtu.edu/manjaro/stable/$repo/$arch
## Location : Ecuador
## Time : 0.415
## Last Sync :
Server = http://mirror.cedia.org.ec/manjaro/stable/$repo/$arch
## Location : Africa
## Time : 0.460
## Last Sync :
Server = http://mirror.is.co.za/mirrors/manjaro.org/stable/$repo/$arch
## Location : Costa_Rica
## Time : 0.523
## Last Sync :
Server = http://mirrors.ucr.ac.cr/manjaro/stable/$repo/$arch
## Location : Philippines
## Time : 0.533
## Last Sync :
Server = http://mirror.rise.ph/manjaro/stable/$repo/$arch
## Location : Colombia
## Time : 0.565
## Last Sync :
Server = http://mirror.edatel.net.co/manjaro/stable/$repo/$arch
## Location : Ecuador
## Time : 0.619
## Last Sync :
Server = http://mirror.espoch.edu.ec/manjaro/stable/$repo/$arch
## Location : Ecuador
## Time : 0.620
## Last Sync :
Server = http://mirror.uta.edu.ec/manjaro/stable/$repo/$arch
## Location : China
## Time : 0.696
## Last Sync :
Server = http://ftp.cuhk.edu.hk/pub/Linux/manjaro/stable/$repo/$arch
## Location : Vietnam
## Time : 0.713
## Last Sync :
Server = http://mirror.freedif.org/Manjaro/stable/$repo/$arch
## Location : Taiwan
## Time : 0.890
## Last Sync :
Server = http://free.nchc.org.tw/manjaro/stable/$repo/$arch
## Location : Australia
## Time : 0.913
## Last Sync :
Server = http://mirror.ventraip.net.au/Manjaro/stable/$repo/$arch
## Location : Brasil
## Time : 1.022
## Last Sync :
Server = http://linorg.usp.br/manjaro/stable/$repo/$arch
## Location : Indonesia
## Time : 1.062
## Last Sync :
Server = http://kartolo.sby.datautama.net.id/manjaro/stable/$repo/$arch
## Location : Chile
## Time : 1.118
## Last Sync :
Server = http://manjaro.dcc.uchile.cl/stable/$repo/$arch
## Location : Japan
## Time : 1.132
## Last Sync :
Server = http://ftp.riken.jp/Linux/manjaro/stable/$repo/$arch
## Location : China
## Time : 1.158
## Last Sync :
Server = http://mirrors.tuna.tsinghua.edu.cn/manjaro/stable/$repo/$arch
## Location : Australia
## Time : 1.216
## Last Sync :
Server = http://manjaro.mirror.serversaustralia.com.au/stable/$repo/$arch
## Location : Singapore
## Time : 1.273
## Last Sync :
Server = http://download.nus.edu.sg/mirror/manjaro/stable/$repo/$arch
## Location : Australia
## Time : 1.506
## Last Sync :
Server = http://manjaro.uberglobalmirror.com/stable/$repo/$arch
## Location : China
## Time : 1.571
## Last Sync :
Server = http://mirrors.ustc.edu.cn/manjaro/stable/$repo/$arch
## Location : Indonesia
## Time : 1.808
## Last Sync :
Server = http://kambing.ui.ac.id/manjaro/stable/$repo/$arch
## Location : United_States
## Time : 2.246
## Last Sync :
Server = http://mirror.dacentec.com/manjaro/stable/$repo/$arch
## Location : Chile
## Time : 2.320
## Last Sync :
Server = http://doge.ing.puc.cl/Mirrors/Manjaro/stable/$repo/$arch
## Location : Japan
## Time : 2.615
## Last Sync :
Server = http://ftp.tsukuba.wide.ad.jp/Linux/manjaro/stable/$repo/$arch
[gerard@gerard-pc ~]$
Et encore, je n'avait rien supprimé de la base ...
@Pluche
Gerinald