diff --git a/install_gmixer.sh b/install_gmixer.sh
index 89e78de7d849a26944eec870eeb5226615f28dc1..41fa5192f56cb9c0c6a7f50ab9ae977e51aae071 100755
--- a/install_gmixer.sh
+++ b/install_gmixer.sh
@@ -5,10 +5,9 @@
 # contact mail : <pytlin@protonmail.com>
 
 
-
 VERSION="2019.05.04"
 
-set -e
+#set -e
 #set -x
 
 # VARIABLES
@@ -169,13 +168,18 @@ generateConfFolder () {
 	noError="false"
 	if [ ! -d "$HOME/.gmixer" ]; then 
 		if [ "$OS" = "Debian GNU/Linux" ] || [ "$OS" = "Ubuntu" ] || [ "$OS" = "Raspbian GNU/Linux" ]; then
-			$(which python3.7) $HOME/gmixer-py/server.py -i
+			$(which python3) $HOME/gmixer-py/server.py -i 2> /dev/null
 			checkCommand
+			if test $noError = "false"
+			then
+				$(which python3.7) $HOME/gmixer-py/server.py -i 2> /dev/null
+				checkCommand
+			fi
 		elif [ "$OS" = "CentOS Linux" ]; then
-			$(which python3.6) $HOME/gmixer-py/server.py -i
+			$(which python3) $HOME/gmixer-py/server.py -i 2> /dev/null
 			checkCommand
 		else
-			$(which python3.7) $HOME/gmixer-py/server.py -i
+			$(which python3) $HOME/gmixer-py/server.py -i 2> /dev/null
 			checkCommand
 		fi
 	else
@@ -408,9 +412,15 @@ checkInstallPython () {
 launchGMixer () {
 	noError="false"
 	if [ "$OS" = "Debian GNU/Linux" ] || [ "$OS" = "Ubuntu" ] || [ "$OS" = "Raspbian GNU/Linux" ]; then
-		python3.7 $HOME/gmixer-py/server.py -s -d $HOME/.gmixer
+		$(which python3.7) $HOME/gmixer-py/server.py -s -d $HOME/.gmixer
+		checkCommand
+		if test $noError = "false"
+		then
+			$(which python3) $HOME/gmixer-py/server.py -s -d $HOME/.gmixer
+		fi
+
 	elif [ "$OS" = "CentOS Linux" ]; then
-		python3.6 $HOME/gmixer-py/server.py -s -d $HOME/.gmixer
+		$(which python3.6) $HOME/gmixer-py/server.py -s -d $HOME/.gmixer
 	else
 		printf "\n%bdistribution not yet supported...%b\n" "${yellow}" "${rescolor}"
 		exit 1
@@ -827,11 +837,6 @@ mainVerbose () {
 	    fi
           fi
 	fi
-
-
-	
-
-
 	if [ "$parameterG" = "true" ]
 	then
 		printf "%bGenerate Salt and Password...%b\n" "${yellow}" "${rescolor}"