Manual Virus File Update Fails - Avast 5 Free Version

The following error code message was generated when I tried to manually update the virus files on a computer which is not connected to the internet.

Ver 5.0.462

SI: 0x00000002
ST:0xFFFFFFFE
LE: 0x00000000

Operating System - Windows XP Home

Any help will be greatly appreciated.

this thread may help you
http://forum.avast.com/index.php?topic=55128.msg465978#msg465978

harold