Code: C:\Windows\system32>cscript slmgr.vbs /ato Microsoft (R) Windows Script Host Version 5.8 Copyright (C) Microsoft Corporation. All rights reserved. Activating Windows(R) 7, HomePremium edition (2e7d060d-4714-40f2-9896-1e4f15b612ad) ... Error: 0xC004C003 The activation server determined the specified product key is blocked I bought it in PC World, brand new, boxed, years ago. Thanks, Microsoft. P