diff --git a/windows/languages.nsh b/windows/languages.nsh
index eea9f4cb3..8cfc2df7a 100644
--- a/windows/languages.nsh
+++ b/windows/languages.nsh
@@ -187,12 +187,16 @@ LangString DESC_SecExtensions ${LANG_GREEK} "Συσχέτιση του QupZilla
 LangString DESC_SecThemes ${LANG_GREEK} "Πρόσθετα θέματα για το QupZilla"
 
 ;;;;French
+LangString PRODUCT_DESC  ${LANG_FRENCH} "QupZilla est un nouveau navigateur Internet, libre, rapide et sûr. QupZilla est sous licence GPLv3 ou (selon votre version) une version plus récente. Il est basé sur WebKit et le framework Qt."
+
 LangString TITLE_SecMain ${LANG_FRENCH} "Composants principaux"
 LangString TITLE_SecTranslations ${LANG_FRENCH} "Langues"
 LangString TITLE_SecPlugins ${LANG_FRENCH} "Plugins"
 LangString TITLE_SecDesktop ${LANG_FRENCH} "Icône de Bureau"
 LangString TITLE_SecExtensions ${LANG_FRENCH} "Associations de fichiers"
 LangString TITLE_SecThemes ${LANG_FRENCH} "Thèmes"
+LangString TITLE_SecSetASDefault ${LANG_FRENCH} "Navigateur par défaut"
+LangString TITLE_SecProtocols ${LANG_FRENCH} "Associations de protocoles"
 
 LangString FILE_Htm ${LANG_FRENCH} "Fichiers HTM "
 LangString FILE_Html ${LANG_FRENCH} "Fichiers HTML"
@@ -203,6 +207,11 @@ LangString DESC_SecPlugins ${LANG_FRENCH} "Autres plugins disponibles pour l'ins
 LangString DESC_SecDesktop ${LANG_FRENCH} "Ajouter une icône sur le bureau."
 LangString DESC_SecExtensions ${LANG_FRENCH} "Associer QupZilla aux fichiers .htm et .html"
 LangString DESC_SecThemes ${LANG_FRENCH} "Thèmes supplémentaires pour QupZilla"
+LangString DESC_SecSetASDefault ${LANG_FRENCH} "Utiliser QupZilla comme navigateur par défaut"
+LangString DESC_SecProtocols ${LANG_FRENCH} "Associer QupZilla aux protocoles http(s) et ftp"
+
+LangString MSG_RunningInstance ${LANG_FRENCH} "QupZilla est déjà en fonctionnement ! Voulez vous que l'installeur le ferme pour vous ?"
+LangString MSG_InstallationCanceled ${LANG_FRENCH} "Processus annulé par l'utilisateur."
 
 ;;;;Italian
 LangString TITLE_SecMain ${LANG_ITALIAN} "Componenti principali"
@@ -477,7 +486,6 @@ LangString MSG_InstallationCanceled ${LANG_SERBIANLATIN} "Korisnik je otkazao pr
 LangString PRODUCT_DESC ${LANG_SLOVAK} "QupZilla is a new, fast and secure open-source WWW browser. QupZilla is licensed under GPL version 3 or (at your option) any later version. It is based on WebKit core and Qt Framework."
 LangString PRODUCT_DESC ${LANG_DUTCH} "QupZilla is a new, fast and secure open-source WWW browser. QupZilla is licensed under GPL version 3 or (at your option) any later version. It is based on WebKit core and Qt Framework."
 LangString PRODUCT_DESC ${LANG_GREEK} "QupZilla is a new, fast and secure open-source WWW browser. QupZilla is licensed under GPL version 3 or (at your option) any later version. It is based on WebKit core and Qt Framework."
-LangString PRODUCT_DESC ${LANG_FRENCH} "QupZilla is a new, fast and secure open-source WWW browser. QupZilla is licensed under GPL version 3 or (at your option) any later version. It is based on WebKit core and Qt Framework."
 LangString PRODUCT_DESC ${LANG_ITALIAN} "QupZilla is a new, fast and secure open-source WWW browser. QupZilla is licensed under GPL version 3 or (at your option) any later version. It is based on WebKit core and Qt Framework."
 LangString PRODUCT_DESC ${LANG_ROMANIAN} "QupZilla is a new, fast and secure open-source WWW browser. QupZilla is licensed under GPL version 3 or (at your option) any later version. It is based on WebKit core and Qt Framework."
 LangString PRODUCT_DESC ${LANG_TRADCHINESE} "QupZilla is a new, fast and secure open-source WWW browser. QupZilla is licensed under GPL version 3 or (at your option) any later version. It is based on WebKit core and Qt Framework."
@@ -492,7 +500,6 @@ LangString PRODUCT_DESC ${LANG_UKRAINIAN} "QupZilla is a new, fast and secure op
 LangString TITLE_SecSetASDefault ${LANG_SLOVAK} "Default Browser"
 LangString TITLE_SecSetASDefault ${LANG_DUTCH} "Default Browser"
 LangString TITLE_SecSetASDefault ${LANG_GREEK} "Default Browser"
-LangString TITLE_SecSetASDefault ${LANG_FRENCH} "Default Browser"
 LangString TITLE_SecSetASDefault ${LANG_ITALIAN} "Default Browser"
 LangString TITLE_SecSetASDefault ${LANG_ROMANIAN} "Default Browser"
 LangString TITLE_SecSetASDefault ${LANG_TRADCHINESE} "Default Browser"
@@ -507,7 +514,6 @@ LangString TITLE_SecSetASDefault ${LANG_UKRAINIAN} "Default Browser"
 LangString TITLE_SecProtocols ${LANG_SLOVAK} "Protocol Associations"
 LangString TITLE_SecProtocols ${LANG_DUTCH} "Protocol Associations"
 LangString TITLE_SecProtocols ${LANG_GREEK} "Protocol Associations"
-LangString TITLE_SecProtocols ${LANG_FRENCH} "Protocol Associations"
 LangString TITLE_SecProtocols ${LANG_ITALIAN} "Protocol Associations"
 LangString TITLE_SecProtocols ${LANG_ROMANIAN} "Protocol Associations"
 LangString TITLE_SecProtocols ${LANG_TRADCHINESE} "Protocol Associations"
@@ -522,7 +528,6 @@ LangString TITLE_SecProtocols ${LANG_UKRAINIAN} "Protocol Associations"
 LangString DESC_SecSetASDefault ${LANG_SLOVAK} "Set Qupzilla as default internet browser"
 LangString DESC_SecSetASDefault ${LANG_DUTCH} "Set Qupzilla as default internet browser"
 LangString DESC_SecSetASDefault ${LANG_GREEK} "Set Qupzilla as default internet browser"
-LangString DESC_SecSetASDefault ${LANG_FRENCH} "Set Qupzilla as default internet browser"
 LangString DESC_SecSetASDefault ${LANG_ITALIAN} "Set Qupzilla as default internet browser"
 LangString DESC_SecSetASDefault ${LANG_ROMANIAN} "Set Qupzilla as default internet browser"
 LangString DESC_SecSetASDefault ${LANG_TRADCHINESE} "Set Qupzilla as default internet browser"
@@ -537,7 +542,6 @@ LangString DESC_SecSetASDefault ${LANG_UKRAINIAN} "Set Qupzilla as default inter
 LangString DESC_SecProtocols ${LANG_SLOVAK} "Associate QupZilla with http(s) and ftp protocols"
 LangString DESC_SecProtocols ${LANG_DUTCH} "Associate QupZilla with http(s) and ftp protocols"
 LangString DESC_SecProtocols ${LANG_GREEK} "Associate QupZilla with http(s) and ftp protocols"
-LangString DESC_SecProtocols ${LANG_FRENCH} "Associate QupZilla with http(s) and ftp protocols"
 LangString DESC_SecProtocols ${LANG_ITALIAN} "Associate QupZilla with http(s) and ftp protocols"
 LangString DESC_SecProtocols ${LANG_ROMANIAN} "Associate QupZilla with http(s) and ftp protocols"
 LangString DESC_SecProtocols ${LANG_TRADCHINESE} "Associate QupZilla with http(s) and ftp protocols"
@@ -552,7 +556,6 @@ LangString DESC_SecProtocols ${LANG_UKRAINIAN} "Associate QupZilla with http(s)
 LangString MSG_RunningInstance ${LANG_SLOVAK} "QupZilla is already running! Do you want the installer try to terminate it?"
 LangString MSG_RunningInstance ${LANG_DUTCH} "QupZilla is already running! Do you want the installer try to terminate it?"
 LangString MSG_RunningInstance ${LANG_GREEK} "QupZilla is already running! Do you want the installer try to terminate it?"
-LangString MSG_RunningInstance ${LANG_FRENCH} "QupZilla is already running! Do you want the installer try to terminate it?"
 LangString MSG_RunningInstance ${LANG_ITALIAN} "QupZilla is already running! Do you want the installer try to terminate it?"
 LangString MSG_RunningInstance ${LANG_ROMANIAN} "QupZilla is already running! Do you want the installer try to terminate it?"
 LangString MSG_RunningInstance ${LANG_TRADCHINESE} "QupZilla is already running! Do you want the installer try to terminate it?"
@@ -566,7 +569,6 @@ LangString MSG_RunningInstance ${LANG_POLISH} "QupZilla is already running! Do y
 LangString MSG_InstallationCanceled ${LANG_SLOVAK} "Process canceled by user."
 LangString MSG_InstallationCanceled ${LANG_DUTCH} "Process canceled by user."
 LangString MSG_InstallationCanceled ${LANG_GREEK} "Process canceled by user."
-LangString MSG_InstallationCanceled ${LANG_FRENCH} "Process canceled by user."
 LangString MSG_InstallationCanceled ${LANG_ITALIAN} "Process canceled by user."
 LangString MSG_InstallationCanceled ${LANG_ROMANIAN} "Process canceled by user."
 LangString MSG_InstallationCanceled ${LANG_TRADCHINESE} "Process canceled by user."