diff --git a/U3H_hostCleanUp.ahk b/U3H_hostCleanUp.ahk
index 9878a43..49f83f8 100644
--- a/U3H_hostCleanUp.ahk
+++ b/U3H_hostCleanUp.ahk
@@ -4,7 +4,9 @@
 ; ###                                                                    ###
 ; ##########################################################################
  
-StepsAll = 0
+KillTries = 10
+
+StepsAll = 1
 If runeje0 > 0
   StepsAll++
 If regsvr0 > 0
@@ -37,6 +39,65 @@ Loop %runeje0%
 If runeje0 > 0
   StepsPos++
 
+Progress % StepsPos*StepsStep, Checking running processes ...
+
+EnumProcesses(procss)
+StringSplit procs, procss, |
+KillProcs0 = 0
+Loop %U3_HOST_EXEC_PATH%, 2
+  U3HEP := A_LoopFileLongPath
+Loop %U3_DEVICE_EXEC_PATH%, 2
+  U3DEP := A_LoopFileLongPath
+Loop %U3_APP_DATA_PATH%, 2
+  U3ADP := A_LoopFileLongPath
+Loop %A_ScriptFullPath%
+  ASFP := A_LoopFileLongPath
+Loop %procs0%
+{
+  CurProc := procs%A_Index%
+  CurFn := GetModuleFileNameEx(CurProc)
+  if (StrLen(CurFn) > 0)
+  {
+    Loop %CurFn%
+    {
+      CurFn := A_LoopFileLongPath
+      CurFnOnly := A_LoopFileName
+    }
+    if ( (CurFn <> ASFP) && ( (SubStr(CurFn, 1, StrLen(U3HEP)) = U3HEP) || (SubStr(CurFn, 1, StrLen(U3DEP)) = U3DEP) || (SubStr(CurFn, 1, StrLen(U3ADP)) = U3ADP) ) )
+    {
+      KillProcs0++
+      KillProcs%KillProcs0% := CurProc . "|" . CurFnOnly
+    }
+  }
+}
+Loop %KillProcs0%
+{
+  OutIndex = %A_Index%
+  CurProc := KillProcs%A_Index%
+  SplitFirst(CurPID, CurFn, CurProc, "|")
+
+  Loop %KillTries%
+  {
+    Process Exist, %CurPID%
+    If ErrorLevel
+      ProgPID = %ErrorLevel%
+    Else
+      Break
+
+    If (A_Index < KillTries-1)
+    {
+      Progress % StepsPos*StepsStep+StepsStep*(OutIndex-1.00+(A_Index/KillTries))/KillProcs0, Stopping process ... %CurFn% [%CurPID%]
+      WinClose ahk_pid %ProgPID%, , 0
+    }
+    Else
+    {
+      Progress % StepsPos*StepsStep+StepsStep*(OutIndex-1.00+(A_Index/KillTries))/KillProcs0, Killing process ... %CurFn% [%CurPID%]
+      Process Close, %ProgPID%
+    }
+  }
+}
+StepsPos++
+
 If (U3_IS_DEVICE_AVAILABLE <> "true")
 {
   ; U3 stick not plugged in!!
diff --git a/U3Helper.ahk b/U3Helper.ahk
index 7cb7abd..9fc2f1a 100644
--- a/U3Helper.ahk
+++ b/U3Helper.ahk
@@ -2,9 +2,10 @@
 #NoEnv
 #Include mb_EnvTools.ahk
 #Include mb_IniTools.ahk
+#Include mb_ProcTools.ahk
 #Include mb_RegTools.ahk
 #Include mb_TextTools.ahk
-U3HVer = 2.3
+U3HVer = 2.4
 U3HUUID = 0f90f88c-5e05-4cab-8c3a-e1c0112b06fd
 
 U3_APP_DATA_PATH := EnvValue("U3_APP_DATA_PATH")
diff --git a/U3Helper.rc b/U3Helper.rc
index 4d95439..f5017d1 100644
--- a/U3Helper.rc
+++ b/U3Helper.rc
@@ -1,7 +1,7 @@
 
 1 VERSIONINFO
-FILEVERSION 2,3,0,0
-PRODUCTVERSION 2,3,0,0
+FILEVERSION 2,4,0,0
+PRODUCTVERSION 2,4,0,0
 FILEOS 0x4
 FILETYPE 0x1
 {
@@ -10,12 +10,12 @@ BLOCK "StringFileInfo"
 	BLOCK "040904b0"
 	{
 		VALUE "FileDescription", "U3Helper manages registry settings and data files of ordinary applications to make them U3-compatible. (see http://www.u3.com/ for more info)"
-		VALUE "FileVersion", "2, 3, 0, 0"
+		VALUE "FileVersion", "2, 4, 0, 0"
 		VALUE "InternalName", "U3H"
 		VALUE "LegalCopyright", "(c)2007 Markus Birth <mbirth@webwriters.de>"
 		VALUE "OriginalFilename", "U3Helper.exe"
 		VALUE "ProductName", "U3Helper"
-		VALUE "ProductVersion", "2, 3, 0, 0"
+		VALUE "ProductVersion", "2, 4, 0, 0"
 	}
 }
 
diff --git a/mb_ProcTools.ahk b/mb_ProcTools.ahk
new file mode 100644
index 0000000..d34163c
--- /dev/null
+++ b/mb_ProcTools.ahk
@@ -0,0 +1,53 @@
+; BEGIN: borrowed from http://www.autohotkey.com/forum/viewtopic.php?p=54838#54838
+EnumProcesses( byref r_pid_list )
+{
+   if A_OSVersion in WIN_95,WIN_98,WIN_ME
+   {
+      Tooltip, This Windows version (%A_OSVersion%) doesn't support PID listing.
+      return, false
+   }
+   
+   pid_list_size := 4*1000
+   VarSetCapacity( pid_list, pid_list_size )
+   
+   status := DllCall( "psapi.dll\EnumProcesses", "uint", &pid_list, "uint", pid_list_size, "uint*", pid_list_actual )
+   if ( ErrorLevel or !status )
+      return, false
+   
+   total := pid_list_actual//4
+   
+   r_pid_list= 
+   address := &pid_list
+   loop, %total%
+   {
+      r_pid_list := r_pid_list "|" ( *( address )+( *( address+1 ) << 8 )+( *( address+2 ) << 16 )+( *( address+3 ) << 24 ) )
+      address += 4
+   }
+   
+   StringTrimLeft, r_pid_list, r_pid_list, 1
+   
+   return, total
+}
+
+GetModuleFileNameEx( p_pid )
+{
+   if A_OSVersion in WIN_95,WIN_98,WIN_ME
+   {
+      ToolTip, This Windows version (%A_OSVersion%) doesn't support process details.
+      return
+   }
+
+   h_process := DllCall( "OpenProcess", "uint", 0x10|0x400, "int", false, "uint", p_pid )
+   if ( ErrorLevel or h_process = 0 )
+      return
+   
+   name_size = 255
+   VarSetCapacity( name, name_size )
+   
+   result := DllCall( "psapi.dll\GetModuleFileNameExA", "uint", h_process, "uint", 0, "str", name, "uint", name_size )
+   
+   DllCall( "CloseHandle", h_process )
+   
+   return, name
+}
+; END: borrowed from http://www.autohotkey.com/forum/viewtopic.php?p=54838#54838