A. For those systems running with Service Pack 2 or above, it is possible to disable the context menu as follows:

  1. Start the registry editor (regedit.exe)
  2. Move to HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
  3. From the Edit menu, select New - DWord Value
  4. Enter the name NoViewContextMenu and press enter
  5. Double click the new value and set the value to 1 and click OK
  6. Close the registry editor
  7. Logout and Login again

To remove this, just delete the value NoViewContextMenu and logout and login again (or set it to 0)