Hello, I got an OxCoo4E003 error code.

IAM having the same problem but with Vista from Xp. This is the second time, he asked for validation...?

Call Microsoft use the manual phone Activation

If you have trouble activating Windows 7 you can call Microsoft to activate it by following these steps:
1. with the operation of Windows, click Start, then in the search box type: slui.exe 4
2. press enter on your keyboard
3. Select your country.
4. Select the telephone activation option, then dial the given number and hold for a real person.

For more details: http://www.sevenforums.com/tutorials/18715-activate-windows-7-phone.html

Questions about installing Windows 7?
FAQ - Frequently Asked Questions from Installation Windows 7 & responses

Tags: Windows

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