You can reset your Windows Vista activation by performing the following:
1. Click on the Start button and in the Start Search box type in: slui.exe 4
2. Press the Enter key on your keyboard.
3. Select your Country.
4. Follow the instructions for phone activation (no charge).
5. Once completed, restart your computer.
6. Then visit:
http://www.microsoft.com/Genuine/ and click on "Validate Windows".
--
Carey Frisch
Microsoft MVP
Windows Desktop Experience -
Windows Vista Enthusiast
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I installed windows vista without a product key in the beginning
So I put the key but it said Error Code: 0xC004E003
Help?