diff --git a/Makefile b/Makefile
index 0dc1f97..f56d89f 100644
--- a/Makefile
+++ b/Makefile
@@ -46,6 +46,7 @@ install-locales: locales
 install-dirs:
 	@$(INSTALL_DIR) $(DESTDIR)$(sbindir)
 	@$(INSTALL_DIR) $(DESTDIR)$(mambadir)/usbinstall
+	@$(INSTALL_DIR) $(DESTDIR)$(datadir)/applications
 	@$(INSTALL_DIR) $(DESTDIR)$(mambadir)/usbinstall/img
 	@$(INSTALL_DIR) $(DESTDIR)$(sysconfdir)/sudoers.d/
 
@@ -55,7 +56,7 @@ install: install-dirs install-locales
 	$(INSTALL_DATA) src/fdisk_template $(DESTDIR)$(mambadir)/usbinstall/fdisk_template
 	$(INSTALL_DATA) src/img/*.png $(DESTDIR)$(mambadir)/usbinstall/img/
 	${INSTALL} -m 440 src/usbinstall-sudoers $(DESTDIR)$(sysconfdir)/sudoers.d/usbinstall
-	# Crea un link in /usr/bin agli eseguibili in $(mambadir)/usbinstall
+	$(INSTALL_DATA) src/usbinstall.desktop $(DESTDIR)$(datadir)/applications/usbinstall.desktop
 
 clean: 
 	rm -f $(pck_catalogs:.po=.mo)
diff --git a/src/usbinstall.py b/src/usbinstall.py
index 5c3306c..99e5d8e 100755
--- a/src/usbinstall.py
+++ b/src/usbinstall.py
@@ -369,7 +369,7 @@ def step4():
 	window.p_install.show()
 	dbus_start()
 	# NON FUNZIONA...
-	process_sh = Popen(["sudo", "/usr/bin/usbinstall.sh", path_dev, path_cpio, path_iso], env={"DBUS_USBINSTALL": "1"})
+	process_sh = Popen(["sudo", "/usr/bin/usbinstall.sh", path_dev, path_cpio, path_iso, "-y"], env={"DBUS_USBINSTALL": "1"})
 
 
 # Show a list of object (step 1 and 2)
diff --git a/src/usbinstall.sh b/src/usbinstall.sh
index 4a4b9a0..d5e2552 100755
--- a/src/usbinstall.sh
+++ b/src/usbinstall.sh
@@ -96,10 +96,12 @@ function errorAndExit()
 function usage()
 {
 	echo "Usbistall: write Openmamba into your usb key!"
-	echo -e "\tUsage: sudo usbinstall Arg1 Arg2 Arg3"
+	echo -e "\tUsage: sudo usbinstall Arg1 Arg2 Arg3 [-y]"
 	echo -e "\tArg 1: Usb device path (es. /dev/sdc)"
 	echo -e "\tArg 2: Cpio.gz file (es. ~/openmamba-bootusb-it-milestone2-2.0pre8.i586.cpio.gz)"
 	echo -e "\tArg 3: Iso file (es. ~/openmamba-livecd-it-milestone2-2.0pre8.i586.iso)"
+	echo -e "\t-y: Installa senza chiedere alcuna conferma [Attenzione!]"
+
 }
 
 
@@ -168,6 +170,13 @@ fi
 if [ "${3##*.}" != "iso" ]; then
 	errorAndExit "Error(Arg 3): you must chose a iso file" 1
 fi
+
+# Confirm
+if [ "$4" = "-y" ]; then
+	export CONFIRM=0
+else
+	export CONFIRM=1
+fi
 #################################(INITIAL-CHECK)#####################################
 
 
@@ -189,22 +198,35 @@ if [ "$DEVICEISMOUNTED" = "true" ]; then
 fi
 set_pbar 2
 
+# Prima di formattare :P
+if [ "$CONFIRM" = "1" ]; then
+	echo "Warning: You are going to format this device ($1). Are you sure to continue? [yes/no]"
+	read KEY
+		case "$KEY" in
+			yes)
+				;;
+			*)
+				errorAndExit "Installation aborted"
+				;;
+		esac
+fi
 
-set_status "Formattazione della chiavetta in corso..."
-echo "Format..."
+set_status "Partizionamento della chiavetta in corso..."
+echo "Partitioning $SELECT_USB..."
 sudo fdisk $SELECT_USB < /usr/share/openmamba/usbinstall/fdisk_template &>$LOGFILE
 if [ "$?" != "0" ]; then
    errorAndExit "Error: \"fdisk\" exit with error (see $LOGFILE)"
 fi
 set_pbar 5
 
-echo "Make Fs (ext3)..."
+set_status "Formattazione della chiavetta in corso..."
+echo "Formatting..."
 sudo mkfs.ext3 ${SELECT_USB}1 -L openmamba_live &>>$LOGFILE
 if [ "$?" != "0" ]; then
    errorAndExit "Error: \"mkfs.ext3\" exit with error (see $LOGFILE)"
 fi
 
-LANG=C udisks --mount ${SELECT_USB}1
+LANG=C udisks --mount ${SELECT_USB}1 &>>$LOGFILE
 if [ "$?" != "0" ]; then
    errorAndExit "Error: \"udisks --mount\" exit with error (see $LOGFILE)"
 fi
@@ -215,6 +237,10 @@ set_pbar 30
 MOUNTDIR=`dbus_properties_get_stringlist org.freedesktop.UDisks /org/freedesktop/UDisks/devices/${SELECT_USB/*\/}1 \
 org.freedesktop.UDisks.Device DeviceMountPaths`
 
+if [ ! -d "$MOUNTDIR" ]; then
+   errorAndExit "Error: unable to find usb mount path"
+fi
+
 set_status "Estrazione del file di boot in corso..."
 pushd $MOUNTDIR >/dev/null
 sudo chmod 777 ./