Locale and "file not found" errors in pacman

Question

Hello. I have just reinstalled Arch on my system (yes, wanted to start all again!) and this weird error happens every time I try to do anything under pacman:
warning: current locale is invalid; using default "C" locale
resolving dependencies...
error: could not open file /var/lib/pacman/local//wget-1.10.2-2/depends: No such file or directory
...and the last line repeats itself many times. After that, pacman works just fine.
If it might help, here is my pacman.conf:
# /etc/pacman.conf
# See the pacman manpage for option directives
# GENERAL OPTIONS
[options]
LogFile = /var/log/pacman.log
HoldPkg = pacman glibc
#XferCommand = /usr/bin/wget --passive-ftp -c -O %o %u
# REPOSITORIES
# - can be defined here or included from another file
# - pacman will search repositories in the order defined here
# - local/custom mirrors can be added here or in separate files
# - repositories listed first will take precedence when packages
# have identical names, regardless of version number
#[testing]
#Include = /etc/pacman.d/testing
[current]
# Add your preferred servers here, they will be used first
Include = /etc/pacman.d/current
[extra]
# Add your preferred servers here, they will be used first
Include = /etc/pacman.d/extra
[community]
# Add your preferred servers here, they will be used first
Include = /etc/pacman.d/community
#[unstable]
# Add your preferred servers here, they will be used first
#Include = /etc/pacman.d/unstable
# An example of a custom package repository. See the pacman manpage for
# tips on creating your own repositories.
#[custom]
#Server = file:///home/custompkgs
...and here is my rc.conf, if that might help:
# /etc/rc.conf - Main Configuration for Arch Linux
# LOCALIZATION
# LOCALE: available languages can be listed with the 'locale -a' command
# HARDWARECLOCK: set to "UTC" or "localtime"
# TIMEZONE: timezones are found in /usr/share/zoneinfo
# KEYMAP: keymaps are found in /usr/share/kbd/keymaps
# CONSOLEFONT: found in /usr/share/kbd/consolefonts (only needed for non-US)
# CONSOLEMAP: found in /usr/share/kbd/consoletrans
# USECOLOR: use ANSI color sequences in startup messages
LOCALE="en_US.utf8"
HARDWARECLOCK="localtime"
TIMEZONE="America/SaoPaulo"
KEYMAP=br-abnt2
CONSOLEFONT=
CONSOLEMAP=
USECOLOR="yes"
# HARDWARE
# Scan hardware and load required modules at bootup
MOD_AUTOLOAD="yes"
# Module Blacklist - modules in this list will never be loaded by udev
MOD_BLACKLIST=()
# Modules to load at boot-up (in this order)
# - prefix a module with a ! to blacklist it
MODULES=(mii sis900 slhc via-rhine ac97_bus snd-mixer-oss snd-pcm-oss snd-page-alloc snd-pcm snd-timer snd snd-ac97-codec snd-intel8x0 soundcore)
# Scan for LVM volume groups at startup, required if you use LVM
USELVM="no"
# NETWORKING
HOSTNAME="celso-arch"
# Use 'ifconfig -a' or 'ls /sys/class/net/' to see all available
# interfaces.
# Interfaces to start at boot-up (in this order)
# Declare each interface then list in INTERFACES
# - prefix an entry in INTERFACES with a ! to disable it
# - no hyphens in your interface names - Bash doesn't like it
# Note: to use DHCP, set your interface to be "dhcp" (eth0="dhcp")
lo="lo 127.0.0.1"
#eth0="eth0 192.168.0.1 netmask 255.255.255.0 broadcast 192.168.0.255"
eth0="dhcp"
INTERFACES=(lo eth0)
# Routes to start at boot-up (in this order)
# Declare each route then list in ROUTES
# - prefix an entry in ROUTES with a ! to disable it
gateway="default gw 192.168.0.1"
ROUTES=(gateway)
# Enable these network profiles at boot-up. These are only useful
# if you happen to need multiple network configurations (ie, laptop users)
# - set to 'menu' to present a menu during boot-up (dialog package required)
# - prefix an entry with a ! to disable it
# Network profiles are found in /etc/network-profiles
#NET_PROFILES=(main)
# DAEMONS
# Daemons to start at boot-up (in this order)
# - prefix a daemon with a ! to disable it
# - prefix a daemon with a @ to start it up in the background
DAEMONS=(syslog-ng network netfs crond)
# End of file
Just let me tell that the only thing I did after the actual install is "pacman -Syu". Sorry, I have no clue about what's happening. Any help would be appreciated.

Answer 1

To fix your locales, see http://wiki.archlinux.org/index.php/Configuring_locales -- in specific, you'll need to uncomment the en_US.utf8 locale at least, since that's the one that's specified in your rc.conf