Hi,
Many of patches for this game fail with this same error message.
"Patching Error: This patch is incompatible with the language version of Dawn of War installed on your system".
Here is the information that I have if I open the shell and type env.
You are in W40k's virtual drive environment
PlayOnLinux: /home/erick/.PlayOnLinux/wineprefix/DOW/drive_c > env
SED=sed
XDG_VTNR=7
APPLICATION_TITLE=PlayOnLinux
MONO_SITE=http://wine.playonlinux.com/mono
XDG_SESSION_ID=c1
POL_OS=Linux
SSH_AGENT_PID=2137
OS_NAME=linux
QT_STYLE_OVERRIDE=gtk
POL_UPTODATE=TRUE
SHELL=/bin/bash
VTE_VERSION=4205
TERM=xterm-256color
XDG_SESSION_COOKIE=2a5d5f96ef9147c0b35535562b32d0ff-1467775687.430226-1528213912
POL_LANG=en
QT_LINUX_ACCESSIBILITY_ALWAYS_ON=1
AMD64_COMPATIBLE=True
POL_CURL=curl
POL_TERM=x-terminal-emulator
GJS_DEBUG_OUTPUT=stderr
REPERTOIRE=/home/erick/.PlayOnLinux/
WINDOWID=77594630
OLDPWD=/home/erick/.PlayOnLinux
WINEDLLOVERRIDES=winemenubuilder.exe=d
TITRE=PlayOnLinux
GJS_DEBUG_TOPICS=JS ERROR;JS LOG
GTK_MODULES=gail:atk-bridge
USER=erick
LS_COLORS=rs=0:di=01;34:ln=01;36:mh=00:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=40;31;01:mi=00:su=37;41:sg=30;43:ca=30;41:tw=30;42:ow=34;42:st=37;44:ex=01;32:*.tar=01;31:*.tgz=01;31:*.arc=01;31:*.arj=01;31:*.taz=01;31:*.lha=01;31:*.lz4=01;31:*.lzh=01;31:*.lzma=01;31:*.tlz=01;31:*.txz=01;31:*.tzo=01;31:*.t7z=01;31:*.zip=01;31:*.z=01;31:*.Z=01;31:*.dz=01;31:*.gz=01;31:*.lrz=01;31:*.lz=01;31:*.lzo=01;31:*.xz=01;31:*.bz2=01;31:*.bz=01;31:*.tbz=01;31:*.tbz2=01;31:*.tz=01;31:*.deb=01;31:*.rpm=01;31:*.jar=01;31:*.war=01;31:*.ear=01;31:*.sar=01;31:*.rar=01;31:*.alz=01;31:*.ace=01;31:*.zoo=01;31:*.cpio=01;31:*.7z=01;31:*.rz=01;31:*.cab=01;31:*.jpg=01;35:*.jpeg=01;35:*.gif=01;35:*.bmp=01;35:*.pbm=01;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35:*.xbm=01;35:*.xpm=01;35:*.tif=01;35:*.tiff=01;35:*.png=01;35:*.svg=01;35:*.svgz=01;35:*.mng=01;35:*.pcx=01;35:*.mov=01;35:*.mpg=01;35:*.mpeg=01;35:*.m2v=01;35:*.mkv=01;35:*.webm=01;35:*.ogm=01;35:*.mp4=01;35:*.m4v=01;35:*.mp4v=01;35:*.vob=01;35:*.qt=01;35:*.nuv=01;35:*.wmv=01;35:*.asf=01;35:*.rm=01;35:*.rmvb=01;35:*.flc=01;35:*.avi=01;35:*.fli=01;35:*.flv=01;35:*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:*.yuv=01;35:*.cgm=01;35:*.emf=01;35:*.ogv=01;35:*.ogx=01;35:*.aac=00;36:*.au=00;36:*.flac=00;36:*.m4a=00;36:*.mid=00;36:*.midi=00;36:*.mka=00;36:*.mp3=00;36:*.mpc=00;36:*.ogg=00;36:*.ra=00;36:*.wav=00;36:*.oga=00;36:*.opus=00;36:*.spx=00;36:*.xspf=00;36:
LD_LIBRARY_PATH=/home/erick/.PlayOnLinux//wine/linux-x86/1.9.13/lib/:/home/erick/.PlayOnLinux//wine/linux-x86/1.9.13/lib64/:
QT_ACCESSIBILITY=1
POL_PYTHON=python
TITLE=W40k
POL_HOST=127.0.0.1
POL_ARCH=x86
POL_PORT=30000
DEBIAN_PACKAGE=TRUE
SSH_AUTH_SOCK=/run/user/1000/keyring/ssh
SESSION_MANAGER=local/erick-Compaq-Presario-F763NR:@/tmp/.ICE-unix/2069,unix/erick-Compaq-Presario-F763NR:/tmp/.ICE-unix/2069
DEFAULTS_PATH=/usr/share/gconf/cinnamon.default.path
USERNAME=erick
SITE=http://repository.playonlinux.com
POL_DNS=playonlinux.com
OpenGL64=1
XDG_CONFIG_DIRS=/etc/xdg/xdg-cinnamon:/etc/xdg
POL_SetupWindow_ID=17530
PATH=/home/erick/.PlayOnLinux//wine/linux-x86/1.9.13/bin/:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games
DESKTOP_SESSION=cinnamon
DONT_MONITOR=1
LD_PATH_ORIGIN=
GDM_XSERVER_LOCATION=local
POL_USER_ROOT=/home/erick/.PlayOnLinux/
POL_USER_ARCH=x86
PWD=/home/erick/.PlayOnLinux/wineprefix/DOW/drive_c
OpenGL32=1
WINE_SITE=http://wine.playonlinux.com/binaries
VERSION=4.2.10
LANG=en_US.UTF-8
MANDATORY_PATH=/usr/share/gconf/cinnamon.mandatory.path
POL_COOKIE=GxTqurX0ubvvGSK5rmHV
WorkingDirectory=/home/erick
WINEPREFIX=/home/erick/.PlayOnLinux//wineprefix/DOW
UBUNTU_MENUPROXY=0
POL_WGET=env LD_LIBRARY_PATH="" wget --prefer-family=IPv4 -q
GDMSESSION=cinnamon
MD5_COMMAND=md5sum
MDM_XSERVER_LOCATION=local
HISTCONTROL=ignoreboth
WGETRC=/home/erick/.PlayOnLinux//configurations/wgetrc
CINNAMON_VERSION=3.0.6
XDG_SEAT=seat0
GECKO_SITE=http://wine.playonlinux.com/gecko
HOME=/home/erick
SHLVL=3
IGNORE_ICON_DIR=false
PATH_ORIGIN=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games
GNOME_DESKTOP_SESSION_ID=this-is-deprecated
GTK_OVERLAY_SCROLLING=1
DYLD_LIBRARY_PATH=
MACHTYPE=x86_64-pc-linux-gnu
LOGNAME=erick
XDG_SESSION_DESKTOP=cinnamon
POL_ID=48661911
G_FILENAME_ENCODING=UTF-8
XDG_DATA_DIRS=/usr/share/cinnamon:/usr/share/gnome:/usr/local/share/:/usr/share/:/usr/share/mdm/
DBUS_SESSION_BUS_ADDRESS=unix:abstract=/tmp/dbus-3nsuoFvO4D,guid=a54e7ff52fa7b70caa457d49577c7ac8
LESSOPEN=| /usr/bin/lesspipe %s
LD_32_PATH_ORIGIN=
DESKTOP=/home/erick/Desktop
MDMSESSION=cinnamon
WINDOWPATH=7
TEXTDOMAIN=pol
PLAYONLINUX=/usr/share/playonlinux
DISPLAY=:0
XDG_RUNTIME_DIR=/run/user/1000
MDM_LANG=en_US.UTF-8
XDG_CURRENT_DESKTOP=X-Cinnamon
LESSCLOSE=/usr/bin/lesspipe %s %s
DYLDPATH_ORIGIN=
GNUPGHOME=/home/erick/.PlayOnLinux//gpg
XAUTHORITY=/home/erick/.Xauthority
_=/usr/bin/env
Thank you.
Linux version: Linux Mint 18 (Linux 4.4.0-28-lowlatency x86-64)
Version de POL: PlayOnLinux Version 4.2.10.
Full computer specs: Compaq Presario F763NR with AMD 64 Athlon X2, 2GB RAM, GeForce 7000M / nForce 610M