1.Open the registry editor and go to
2.Highlight the Setup folder.
3.On the right pane, locate the SourcePath.
4.Double-click the SourcePath and replace the drive letter in the box to C:\ (if you copied the files to your C:\ drive). Make sure it’s C:\ and not C:\i386.
5.Close the registry editor.
6.If the system ever needs files from the i386 folder, it will automatically look in the C:\i386 folder.