1. Format the USB stickas required
2. reate a hidden folder SETUP_FILES
3. Create a TrueCrypt volume in SETUP_FILES called ENCRYPTED_FILES_DO_NOT_DELETE_EVER.TC
4. Copy the TrueCrypt Setup program: TrueCrypt Setup 7.1a.exe in SETUP_FILES
5. Create a start.cmd script in SETUP_FILES containing the following:-

   set DIR=%CD%
   "C:\Program Files\TrueCrypt\TrueCrypt.exe" /v "%DIR%\SETUP_FILES\ENCRYPTED_FILES_DO_NOT_DELETE_EVER.TC" /lx /a /e /q
   

6. Create a stop.cmd script in SETUP_FILES containing the following:-

   "C:\Program Files\TrueCrypt\TrueCrypt.exe"  /q /d

7. In the \ folder of the USB stick create a file called 'Start Using Secure USB stick.vbs' containing the following:-
   

   on error resume next
   Set fso = CreateObject("Scripting.FileSystemObject")
   If fso.FileExists("C:\Program Files\TrueCrypt\TrueCrypt.exe") Then
    CreateObject("Wscript.Shell").Run "\SETUP_FILES\start.cmd", 0, False
   Else 
    if MsgBox("Some software is required to use this encrypted USB  stick. Please Follow the installation instructions. When finished please launch this program again to access the disk.",vbOK,"Software Installation (TrueCrypt)") = vbOK Then
     CreateObject("Wscript.Shell").Run """\SETUP_FILES\TrueCrypt Setup 7.1a.exe""", 1, False
    End If
   End If
   

8. Lastly create a files called 'Stop Using Secure USB stick.vbs in the \ folder of the USB stick

   CreateObject("Wscript.Shell").Run "SETUP_FILES\stop.cmd", 0, False
       

Notes Stop script will unmount ALL TrueCrypt volumes.