diff --git a/common/hub.py b/common/hub.py
index 68fc6dfdf..a6d2ef1f7 100644
--- a/common/hub.py
+++ b/common/hub.py
@@ -40,6 +40,8 @@ class GajimHub:
 
 	def newPlugin(self, name):
 		"""Creates a new Plugin """
+		if name in self.queues.keys():
+			return 0
 		qu = self.newQueue(name, 100)
 		pl = common.plugin.GajimPlugin(name, qu, self.queueIn)
 		return pl
diff --git a/common/thread.py b/common/thread.py
index cca350c7b..bcf3fbe1b 100644
--- a/common/thread.py
+++ b/common/thread.py
@@ -20,6 +20,9 @@
 import threading
 import socket
 import time
+import sys
+from common import i18n
+_ = i18n._
 
 class GajimThread(threading.Thread): 
 	def __init__(self, name = None, queueIn = None, queueOut = None): 
@@ -33,8 +36,12 @@ class GajimThread(threading.Thread):
 	def run(self):
 		mod = compile("import plugins.%s" % self.getName(), \
 			self.getName(), "exec")
-		res = eval(mod)
-		mod = compile("plugins.%s.%s.plugin(self.queueIn, self.queueOut)" % (self.getName(),self.getName()), self.getName(), "exec")
-		res = eval(mod)
+		try:
+			res = eval(mod)
+			mod = compile("plugins.%s.%s.plugin(self.queueIn, self.queueOut)" % (self.getName(),self.getName()), self.getName(), "exec")
+			res = eval(mod)
+		except:
+			print _("plugin %s cannot be launched : ") % self.getName() + \
+				sys.exc_info()[1][1]
 	# END run
 # END GajimThread
diff --git a/core/core.py b/core/core.py
index 105804702..e36e7295b 100644
--- a/core/core.py
+++ b/core/core.py
@@ -80,7 +80,13 @@ class GajimCore:
 			mods = string.split (moduleStr, ' ')
 
 			for mod in mods:
-				modObj = self.hub.newPlugin(mod)
+				try:
+					modObj = self.hub.newPlugin(mod)
+				except:
+					print _("The plugin %s cannot be launched")
+				if not modObj:
+					print _("The plugin %s is already launched" % mod)
+					return
 				modObj.load()
 	# END loadPLugins
 
@@ -576,6 +582,8 @@ class GajimCore:
 			elif ev[0] == 'REG_MESSAGE':
 				for msg in ev[2]:
 					self.hub.register(ev[1], msg)
+			elif ev[0] == 'EXEC_PLUGIN':
+				self.loadPlugins(ev[2])
 			else:
 				log.debug(_("Unknown Command %s") % ev[0])
 		if self.mode == 'server':
diff --git a/plugins/gtkgui/gtkgui.py b/plugins/gtkgui/gtkgui.py
index 31b00c957..e9870d715 100644
--- a/plugins/gtkgui/gtkgui.py
+++ b/plugins/gtkgui/gtkgui.py
@@ -17,6 +17,39 @@
 ## GNU General Public License for more details.
 ##
 
+def usage():
+	#TODO: use i18n
+	print "usage :", sys.argv[0], ' [OPTION]'
+	print "  -p\tport on whitch the sock plugin listen"
+	print "  -h, --help\tdisplay this help and exit"
+
+if __name__ == "__main__":
+	import getopt, pickle, sys, socket
+	try:
+		opts, args = getopt.getopt(sys.argv[1:], "p:h", ["help"])
+	except getopt.GetoptError:
+		# print help information and exit:
+		usage()
+		sys.exit(2)
+	port = 8255
+	for o, a in opts:
+		if o == '-p':
+			port = a
+		if o in ("-h", "--help"):
+			usage()
+			sys.exit()
+	sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+	try:
+		sock.connect(('', 8255))
+	except:
+		#TODO: use i18n
+		print "unable to connect to localhost on port "+str(port)
+	else:
+		evp = pickle.dumps(('EXEC_PLUGIN', '', 'gtkgui'))
+		sock.send('<'+evp+'>')
+		sock.close()
+	sys.exit()
+
 import pygtk
 pygtk.require('2.0')
 import gtk
@@ -1828,7 +1861,4 @@ class plugin:
 		gtk.main()
 		gtk.threads_leave()
 
-if __name__ == "__main__":
-	plugin(None, None)
-
 print _("plugin gtkgui loaded")
diff --git a/plugins/logger/logger.py b/plugins/logger/logger.py
index dfdfd8e17..e00816d90 100644
--- a/plugins/logger/logger.py
+++ b/plugins/logger/logger.py
@@ -17,6 +17,39 @@
 ## GNU General Public License for more details.
 ##
 
+def usage():
+	#TODO: use i18n
+	print "usage :", sys.argv[0], ' [OPTION]'
+	print "  -p\tport on whitch the sock plugin listen"
+	print "  -h, --help\tdisplay this help and exit"
+
+if __name__ == "__main__":
+	import getopt, sys, pickle, socket
+	try:
+		opts, args = getopt.getopt(sys.argv[1:], "p:h", ["help"])
+	except getopt.GetoptError:
+		# print help information and exit:
+		usage()
+		sys.exit(2)
+	port = 8255
+	for o, a in opts:
+		if o == '-p':
+			port = a
+		if o in ("-h", "--help"):
+			usage()
+			sys.exit()
+	sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+	try:
+		sock.connect(('', 8255))
+	except:
+		#TODO: use i18n
+		print "unable to connect to localhost on port "+str(port)
+	else:
+		evp = pickle.dumps(('EXEC_PLUGIN', '', 'logger'))
+		sock.send('<'+evp+'>')
+		sock.close()
+	sys.exit()
+
 import os
 import string
 import time
@@ -104,8 +137,4 @@ class plugin:
 			print _("creating ~/.gajim/logs/")
 		self.read_queue()
 		
-
-if __name__ == "__main__":
-	plugin(None, None)
-
 print _("plugin logger loaded")