643 and 646 error codes

I'm trying to install these updates to windows on my windows vista computer. After trying 3 times, all 8 updates fail. my computer it 32 bit and I don't know anything else. I thought that I might need to update these to install service pack 2? Help, please!
Here are the updates that are marked as 'Important' thank you!

-Microsoft .NET Framework 1.1 Service Pack 1 update security for Windows 2000, Windows XP, Windows Vista, Windows Server 2008, Windows 7 and Windows Server 2008 R2 (KB953297)

-Update for Microsoft Office Excel 2007 (KB973593)

-Security Update for Microsoft Office Visio Viewer 2007 (KB973709)

-Update for Microsoft Works 8 (KB973636)

-Security Update for 2007 Microsoft Office System (KB972581)

-Security Update for 2007 Microsoft Office System (KB973704)

-Security Update for 2007 Microsoft Office System (KB974234)

-Update for Microsoft Office Word 2007 (KB974561)

For the Office updates to install manually the same, you can search for them here:
http://www.Microsoft.com/downloads/en/results.aspx?FREETEXT=KB973593&displaylang=en&sType=s_basic

The update of the framework:

When you try to install an update for .NET Framework 1.0, 1.1, 2.0, 3.0 or 3.5, you may receive Windows Update '0 x 643' error code or error code Windows install "1603".
http://support.Microsoft.com/kb/923100

When installing updates using Windows update or Microsoft Update you may receive error 80070643 0 x or 0 x 643
http://support.Microsoft.com/kb/976982

TaurArian [MVP] 2005-2010 - Update Services

Tags: Windows

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