diff --git a/src/CNIRevelator.py b/src/CNIRevelator.py
index 7b2f719..f7356a4 100644
--- a/src/CNIRevelator.py
+++ b/src/CNIRevelator.py
@@ -33,10 +33,7 @@ import launcher # launcher.py
 import ihm      # ihm.py
 import logger   # logger.py
 import updater  # updater.py
-
-## Global Handlers
-logfile = logger.logCur
-launcherWindow = ihm.launcherWindowCur
+import globs    # globs.py
 
 ## MAIN FUNCTION OF CNIREVELATOR
 def main():
@@ -66,11 +63,23 @@ try:
     launcherThread = threading.Thread(target=updater.umain, daemon=False)
     launcher.lmain(launcherThread)
 except Exception:
-    logfile.printerr("A FATAL ERROR OCCURED : " + str(traceback.format_exc()))
     sys.exit(1)
 
+updater.UPDATE_IS_MADE = True
+
 if updater.UPDATE_IS_MADE:
+    # Launch app !
+    args = updater.UPATH + '\\CNIRevelator.exe ' + globs.CNIRFolder
+    cd = updater.UPATH
+    for i in range(0,3):
+        try:
+            updater.spawnProcess(args, cd)
+        except:
+            time.sleep(3)
+            continue
+        break
     sys.exit(0)
 
 main()
+
 sys.exit(0)
diff --git a/src/downloader.py b/src/downloader.py
index e25040b..4145058 100644
--- a/src/downloader.py
+++ b/src/downloader.py
@@ -81,7 +81,7 @@ class newcredentials:
             try:
                 sessionAnswer = session.get('https://www.google.com')
             except Exception as e:
-                logfile.printerr('Network Error : ' + str(e))
+                logfile.printdbg('Network Error : ' + str(e))
                 sessionAnswer = ''
                 
             logfile.printdbg("Session Answer : " + str(sessionAnswer))
@@ -183,9 +183,7 @@ class newdownload:
         
         reducedFilename = filename.split("\\")[-1]
         
-        launcherWindow.mainCanvas.itemconfigure(launcherWindow.msg, text=('Downloading  {}'.format(reducedFilename)))
-        launcherWindow.progressBar.stop()
-        launcherWindow.progressBar.configure(mode='determinate', value=0, maximum=100)
+        launcherWindow.printmsg('Downloading  {}'.format(reducedFilename))
 
         try:
             os.remove(filename)
@@ -199,8 +197,9 @@ class newdownload:
                 self.count = os.path.getsize(self.destinationFile)
                 Percent = int(self.count / self.filesize * 100)
                 
-                launcherWindow.progressBar.configure(mode='determinate', value=(int(Percent)))
-                launcherWindow.mainCanvas.itemconfigure(launcherWindow.msg, text=('Downloading  {}'.format(reducedFilename) + ' : ' + str((Percent)) + ' %'))
+                launcherWindow.progressBar.stop()
+                launcherWindow.progressBar.configure(mode='determinate', value=(int(Percent)), maximum=100)
+                launcherWindow.printmsg('Downloading  {}'.format(reducedFilename) + ' : ' + str((Percent)) + ' %')
                 
         launcherWindow.progressBar.configure(mode='indeterminate', value=0, maximum=20)
         launcherWindow.progressBar.start()
diff --git a/src/ihm.py b/src/ihm.py
index 76fdf06..850794a 100644
--- a/src/ihm.py
+++ b/src/ihm.py
@@ -110,7 +110,10 @@ class LauncherWindow(Tk):
         self.protocol('WM_DELETE_WINDOW', lambda : self.destroy())
 
         self.update()
-        
+
+    def printmsg(self, msg):
+        self.mainCanvas.itemconfigure(self.msg, text=(msg))
+
 class AutoScrollbar(ttk.Scrollbar):
 
     def set(self, lo, hi):
@@ -125,7 +128,7 @@ class AutoScrollbar(ttk.Scrollbar):
 
     def place(self, **kw):
         raise TclError('Cannot use place with the widget ' + self.__class__.__name__)
-        
+
 class OpenPageDialog(Toplevel):
 
     def __init__(self, parent, number):
@@ -157,7 +160,7 @@ class OpenPageDialog(Toplevel):
     def valid(self):
         self.parent.page = self.combotry.current()
         self.destroy()
-        
+
 
 class OpenScanWin(Toplevel):
 
diff --git a/src/launcher.py b/src/launcher.py
index 02cdcb7..77e1574 100644
--- a/src/launcher.py
+++ b/src/launcher.py
@@ -33,19 +33,18 @@ import ihm      # ihm.py
 import globs    # globs.py
 import logger   # logger.py
 
-## Global Handlers
-logfile = logger.logCur
-launcherWindow = ihm.launcherWindowCur
-
 ## Main function
 def lmain(mainThread):
+    logfile = logger.logCur
+    launcherWindow = ihm.launcherWindowCur
+
     # Hello world
     logfile.printdbg('*** CNIRLauncher LOGFILE. Hello World ! ***')
     #logfile.printdbg('Files in directory : ' + str(os.listdir(globs.CNIRFolder)))
 
     # Hello user
     launcherWindow.progressBar.configure(mode='indeterminate', value=0, maximum=20)
-    launcherWindow.mainCanvas.itemconfigure(launcherWindow.msg, text='Starting...')
+    launcherWindow.printmsg('Starting...')
     launcherWindow.progressBar.start()
 
     # Starting the main update thread
@@ -54,4 +53,5 @@ def lmain(mainThread):
     launcherWindow.mainloop()
 
     logfile.printdbg('*** CNIRLauncher LOGFILE. Goodbye World ! ***')
+    logfile.close()
     return
diff --git a/src/logger.py b/src/logger.py
index 5acd8f8..65d6c2d 100644
--- a/src/logger.py
+++ b/src/logger.py
@@ -61,5 +61,8 @@ class NewLoggingSystem:
         self.printerr = logger.error
         self.printdbg = logger.info
 
+    def close(self):
+        logging.shutdown()
+
 ## Global Handler
 logCur = NewLoggingSystem()
diff --git a/src/updater.py b/src/updater.py
index 7b92bc3..90372b1 100644
--- a/src/updater.py
+++ b/src/updater.py
@@ -24,7 +24,6 @@
 """
 
 from win32com.client import Dispatch
-import subprocess
 import traceback
 import sys
 import time
@@ -32,6 +31,7 @@ import os
 import shutil
 import zipfile
 import hashlib
+import subprocess
 
 import logger       # logger.py
 import globs        # globs.py
@@ -39,6 +39,7 @@ import ihm          # ihm.py
 import downloader   # downloader.py
 
 UPDATE_IS_MADE = False
+UPATH = ' '
 
 def createShortcut(path, target='', wDir='', icon=''):
     ext = path[-3:]
@@ -58,6 +59,9 @@ def createShortcut(path, target='', wDir='', icon=''):
             shortcut.IconLocation = icon
         shortcut.save()
 
+def spawnProcess(args, cd):
+    subprocess.Popen(args, close_fds=True, cwd=cd, creationflags=subprocess.DETACHED_PROCESS)
+
 ## Main Batch Function
 def batch():
 
@@ -133,7 +137,7 @@ def batch():
 
     getTheUpdate = downloader.newdownload(credentials, finalurl, globs.CNIRFolder + '\\..\\CNIPackage.zip').download()
     
-    launcherWindow.mainCanvas.itemconfigure(launcherWindow.msg, text=('Verifying download...'))
+    launcherWindow.printmsg('Verifying download...')
     
     BUF_SIZE = 65536  # lets read stuff in 64kb chunks!
     
@@ -153,18 +157,23 @@ def batch():
         logfile.printerr("Checksum error")
         return False
 
-    # And now unzip
+    # And now prepare install
+    global UPATH
     UPATH = globs.CNIRFolder + '\\..\\CNIRevelator' + "{}.{}.{}".format(finalver[0], finalver[1], finalver[2])
     logfile.printdbg("Make place")
-    launcherWindow.mainCanvas.itemconfigure(launcherWindow.msg, text=('Preparing installation...'))
+    launcherWindow.printmsg('Preparing installation...')
+    # Cleanup
     try:
         shutil.rmtree(UPATH + 'temp')
+    except Exception as e:
+        logfile.printdbg('Unable to cleanup : ' +str(e))
+    try:
         shutil.rmtree(UPATH)
-    except:
-        pass
-        
+    except Exception as e:
+        logfile.printdbg('Unable to cleanup : ' +str(e))
+    # Unzip    
     logfile.printdbg("Unzipping the package")
-    launcherWindow.mainCanvas.itemconfigure(launcherWindow.msg, text=('Installing the updates'))
+    launcherWindow.printmsg('Installing the updates')
     zip_ref = zipfile.ZipFile(globs.CNIRFolder + '\\..\\CNIPackage.zip', 'r')
     zip_ref.extractall(UPATH + "temp")
     zip_ref.close()
@@ -175,62 +184,62 @@ def batch():
     
     logfile.printdbg('Extracted :' + UPATH + '\\CNIRevelator.exe')
     
-    launcherWindow.mainCanvas.itemconfigure(launcherWindow.msg, text=('Success !'))
+    launcherWindow.printmsg('Success !')
     
     # Cleanup
     try:
         os.remove(globs.CNIRFolder + '\\..\\CNIPackage.zip')
     except:
         pass
-    # Launch app !
-    args = [UPATH + '\\CNIRevelator.exe', globs.CNIRFolder]
-    subprocess.Popen(args) 
-    
-    launcherWindow.mainCanvas.itemconfigure(launcherWindow.msg, text=('Launched the new process.'))
-    
+    # Time to quit
+    launcherWindow.printmsg('Launched the new process.')
+    global UPDATE_IS_MADE
     UPDATE_IS_MADE = True
     return True
 
 ## Main Function
 def umain():
     
+    # Global Handlers
+    logfile = logger.logCur
+    launcherWindow = ihm.launcherWindowCur
+    
     if len(sys.argv) > 1:
+        launcherWindow.printmsg('Deleting old version !')
         logfile.printdbg("Old install detected : {}".format(sys.argv[1]))
         while os.path.exists(str(sys.argv[1])):
             try:
-                shutil.rmtree(str(sys.argv[1]), ignore_errors=True)
+                shutil.rmtree(str(sys.argv[1]))
             except:
                 pass
                 logfile.printdbg("Fail to delete old install !")
             
     
     try:
-        # Global Handlers
-        logfile = logger.logCur
-        launcherWindow = ihm.launcherWindowCur
-
         try:
             # EXECUTING THE UPDATE BATCH
             success = batch()
         except Exception as e:
             logfile.printerr("An error occured on the thread : " + str(traceback.format_exc()))
-            launcherWindow.mainCanvas.itemconfigure(launcherWindow.msg, text=('ERROR : ' + str(e)))
+            launcherWindow.printmsg('ERROR : ' + str(e))
             time.sleep(3)
             launcherWindow.destroy()
             return 1
 
         if success:
             logfile.printdbg("Software is up-to-date !")
-            launcherWindow.mainCanvas.itemconfigure(launcherWindow.msg, text='Software is up-to-date !')
+            launcherWindow.printmsg('Software is up-to-date !')
         else:
             logfile.printerr("An error occured. No effective update !")
-            launcherWindow.mainCanvas.itemconfigure(launcherWindow.msg, text='An error occured. No effective update !')
+            launcherWindow.printmsg('An error occured. No effective update !')
         time.sleep(2)
+        launcherWindow = ihm.launcherWindowCur
         launcherWindow.destroy()
         return 0
 
     except:
         logfile.printerr("A FATAL ERROR OCCURED : " + str(traceback.format_exc()))
+        launcherWindow = ihm.launcherWindowCur
         launcherWindow.destroy()
         sys.exit(2)
         return 2