diff --git a/pamac-check_updates.py b/pamac-check_updates.py
new file mode 100755
index 0000000..85e7780
--- /dev/null
+++ b/pamac-check_updates.py
@@ -0,0 +1,40 @@
+#! /usr/bin/python3
+# -*- coding:utf-8 -*-
+
+# pamac - A Python implementation of alpm
+# Copyright (C) 2013 Guillaume Benoit <guillaume@manjaro.org>
+#
+#   This program is free software; you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation; either version 2 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program; if not, write to the Free Software
+#   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+from gi.repository import GObject
+from pamac import common, transaction
+import dbus
+
+def handle_updates(updates):
+	transaction.StopDaemon()
+	loop.quit()
+
+loop = GObject.MainLoop()
+
+if not common.pid_file_exists():
+	bus = dbus.SystemBus()
+	bus.add_signal_receiver(handle_updates, dbus_interface = "org.manjaro.pamac", signal_name = "EmitAvailableUpdates")
+	transaction.get_dbus_methods()
+	try:
+		transaction.CheckUpdates()
+	except:
+		pass
+	else:
+		loop.run()
diff --git a/pamac-daemon.py b/pamac-daemon.py
index 993be1d..bd03833 100755
--- a/pamac-daemon.py
+++ b/pamac-daemon.py
@@ -465,10 +465,10 @@ class PamacDBusService(dbus.service.Object):
 				if self.local_packages:
 					self.aur_updates_pkgs = aur.multiinfo(self.local_packages)
 					self.aur_updates_checked = True
-					for aur_pkg in self.aur_updates_pkgs:
-						comp = pyalpm.vercmp(aur_pkg.version, self.localdb.get_pkg(aur_pkg.name).version)
-						if comp == 1:
-							updates.append((aur_pkg.name, aur_pkg.version, aur_pkg.db.name, aur_pkg.tarpath, aur_pkg.download_size))
+			for aur_pkg in self.aur_updates_pkgs:
+				comp = pyalpm.vercmp(aur_pkg.version, self.localdb.get_pkg(aur_pkg.name).version)
+				if comp == 1:
+					updates.append((aur_pkg.name, aur_pkg.version, aur_pkg.db.name, aur_pkg.tarpath, aur_pkg.download_size))
 		self.EmitAvailableUpdates((syncfirst, updates))
 
 	@dbus.service.method('org.manjaro.pamac', 'b', '')
diff --git a/pamac-refresh.py b/pamac-refresh.py
index b1b3c4c..2f6fdfc 100755
--- a/pamac-refresh.py
+++ b/pamac-refresh.py
@@ -29,16 +29,19 @@ def handle_reply(reply):
 
 def handle_error(error):
 	transaction.StopDaemon()
+	common.rm_pid_file()
 	print('check updates failed')
 	loop.quit()
 
 def handle_updates(updates):
+	common.rm_pid_file()
 	transaction.StopDaemon()
 	loop.quit()
 
 loop = GObject.MainLoop()
 
 if not common.pid_file_exists():
+	common.write_pid_file()
 	print('checking updates')
 	bus = dbus.SystemBus()
 	bus.add_signal_receiver(handle_reply, dbus_interface = "org.manjaro.pamac", signal_name = "EmitTransactionDone")
diff --git a/pamac-tray.py b/pamac-tray.py
old mode 100644
new mode 100755
index 2929ac5..e8f0b4f
--- a/pamac-tray.py
+++ b/pamac-tray.py
@@ -23,6 +23,7 @@ from subprocess import call
 import dbus
 from dbus.mainloop.glib import DBusGMainLoop
 from threading import Thread
+from time import sleep
 
 from pamac import common
 
@@ -92,6 +93,24 @@ class Tray:
 
 def refresh():
 	Thread(target = call, args = (['/usr/bin/pamac-refresh'],)).start()
+	return True
+
+def check_updates():
+	Thread(target = call, args = (['/usr/bin/pamac-check_updates'],)).start()
+
+locked = False
+def check_pacman_running():
+	global locked
+	if locked:
+		if not common.lock_file_exists():
+			locked = False
+			check_updates()
+	else:
+		if common.lock_file_exists():
+			if not common.pid_file_exists():
+				locked = True
+	sleep(0.5)
+	return True
 
 def set_icon(update_data):
 	global icon
@@ -118,4 +137,5 @@ tray = Tray()
 Notify.init(_('Update Manager'))
 refresh()
 GObject.timeout_add(3*3600*1000, refresh)
+GObject.idle_add(check_pacman_running)
 Gtk.main()
diff --git a/pamac-updater.py b/pamac-updater.py
old mode 100644
new mode 100755
diff --git a/pamac/common.py b/pamac/common.py
index 2ae6335..00e3096 100644
--- a/pamac/common.py
+++ b/pamac/common.py
@@ -49,6 +49,9 @@ from pamac import config
 pid_file = '/tmp/pamac.pid'
 lock_file = join(config.pacman_conf.options['DBPath'], 'db.lck')
 
+def lock_file_exists():
+	return isfile(lock_file)
+
 def pid_file_exists():
 	return isfile(pid_file)
 
diff --git a/po/id.po b/po/id.po
index 86b41d3..e9a6df2 100644
--- a/po/id.po
+++ b/po/id.po
@@ -343,7 +343,7 @@ msgstr "Beberapa pemutakhiran tersedia.\nHarap mutakhirkan sistem terlebih dahul
 msgid ""
 "{pkgname} is provided by {number} packages.\n"
 "Please choose those you would like to install:"
-msgstr "{pkgname{ disediakan oleh {number} paket.\nHarap pilih yang ingin kamu instal:"
+msgstr "{pkgname} disediakan oleh {number} paket.\nHarap pilih yang ingin kamu instal:"
 
 #: pamac/transaction.py:233
 msgid "Refreshing"