Microsoft Office Error 2203

I just bought Microsoft Office 2007, and everytime I try to install it, I get this error message (2203, an internal error has occured), what am I doing wrong?

http://support.microsoft.com/kb/324852

Does this help?

You receive "Error 2203. An internal error occurred" when installing
Microsoft Office 2007 on Windows Vista:
http://support.microsoft.com/kb/2000547

[trigorin]

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