With this tweak you can change the Windows XP source installation path.

To do this, follow the next steps:

1. Open the Registry Editor click on the Start button on your taskbar, then click on Run and type "regedit" and click on OK to start the regedit utility.
    
2. Expand HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion (see picture 1).
   
   

   Picture 1

3. In the right pane, change "SourcePath" to reflect your settings.
    
4. The modifications you made will be in effect after you reboot your PC.