Error Codes 643 and 26 for security uodates framework 4 and service pack 1 How to fix?

The following fail to update giving me the eroor codes in the title:

Security Update for Microsoft .NET Framework 4 on XP, Server 2003, Vista, Windows 7, Server 2008, Server 2008 R2 for x64 (KB2604121)

Download size: 38.5 MB

You may need to restart your computer for this update to take effect.

Update type: Important

A security issue has been identified that could allow an unauthenticated remote attacker to compromise your system and gain control over it. You can help protect your system by installing this update from Microsoft. After you install this update, you may

have to restart your system.

More information:

<a href="http://go.microsoft.com/fwlink/?LinkID=226972" target="_blank">http://go.microsoft.com/fwlink/?LinkID=226972</a>

Help and Support:

<a href="http://support.microsoft.com" target="_blank">http://support.microsoft.com</a>

Security Update for Microsoft .NET Framework 4 on XP, Server 2003, Vista, Windows 7, Server 2008, Server 2008 R2 for x64 (KB2656351)

Download size: 9.0 MB

You may need to restart your computer for this update to take effect.

Update type: Important

A security issue has been identified that could allow an unauthenticated remote attacker to compromise your system and gain control over it. You can help protect your system by installing this update from Microsoft. After you install this update, you may

have to restart your system.

More information:

<a href="http://go.microsoft.com/fwlink/?LinkID=237373" target="_blank">http://go.microsoft.com/fwlink/?LinkID=237373</a>

Help and Support:

<a href="http://support.microsoft.com" target="_blank">http://support.microsoft.com</a>

Security Update for Microsoft .NET Framework 4 on XP, Server 2003, Vista, Windows 7, Server 2008, Server 2008 R2 for x64 (KB2656368)

Download size: 1.9 MB

You may need to restart your computer for this update to take effect.

Update type: Important

A security issue has been identified that could allow an authenticated remote attacker to compromise your system and gain control over it. You can help protect your system by installing this update from Microsoft. After you install this update, you may have

to restart your system.

More information:

<a href="http://go.microsoft.com/fwlink/?LinkID=237397" target="_blank">http://go.microsoft.com/fwlink/?LinkID=237397</a>

Help and Support:

<a href="http://support.microsoft.com" target="_blank">http://support.microsoft.com</a>

Security Update for Microsoft .NET Framework 4 on XP, Server 2003, Vista, Windows 7, Server 2008, Server 2008 R2 for x64 (KB2656405)

Download size: 11.7 MB

You may need to restart your computer for this update to take effect.

Update type: Important

A security issue has been identified that could allow an unauthenticated remote attacker to compromise your system and gain control over it. You can help protect your system by installing this update from Microsoft. After you install this update, you may

have to restart your system.

More information:

<a href="http://go.microsoft.com/fwlink/?LinkID=237425" target="_blank">http://go.microsoft.com/fwlink/?LinkID=237425</a>

Help and Support:

<a href="http://support.microsoft.com" target="_blank">http://support.microsoft.com</a>

Update for Microsoft .NET Framework 4 on Windows XP, Windows Server 2003, Windows Vista, Windows 7, Windows Server 2008, Windows Server 2008 R2 for x64-based Systems (KB2468871)

Download size: 27.5 MB

You may need to restart your computer for this update to take effect.

Update type: Recommended

Install this update to resolve issues in Microsoft .NET Framework 4. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article for more information. After you install this item, you may have

to restart your computer.

More information:

<a href="http://go.microsoft.com/fwlink/?LinkID=210664" target="_blank">http://go.microsoft.com/fwlink/?LinkID=210664</a>

Help and Support:

<a href="http://support.microsoft.com" target="_blank">http://support.microsoft.com</a>

Update for Microsoft .NET Framework 4 on Windows XP, Windows Server 2003, Windows Vista, Windows 7, Windows Server 2008, Windows Server 2008 R2 for x64-based Systems (KB2533523)

Download size: 37.5 MB

You may need to restart your computer for this update to take effect.

Update type: Recommended

This update addresses stability, reliability, and performance issues in Microsoft .NET Framework 4. After you install this item, you may have to restart your computer.

More information:

<a href="http://go.microsoft.com/fwlink/?LinkId=219466" target="_blank">http://go.microsoft.com/fwlink/?LinkId=219466</a>

Help and Support:

<a href="http://support.microsoft.com" target="_blank">http://support.microsoft.com</a>

Update for Microsoft .NET Framework 4 on XP, Server 2003, Vista, Windows 7, Server 2008, Server 2008 R2 for x64 (KB2600217)

Download size: 32.2 MB

You may need to restart your computer for this update to take effect.

Update type: Recommended

This update addresses stability, reliability, and performance issues in Microsoft .NET Framework 4. After you install this item, you may have to restart your computer.

More information:

<a href="http://go.microsoft.com/fwlink/?LinkId=232526" target="_blank">http://go.microsoft.com/fwlink/?LinkId=232526</a>

Help and Support:

<a href="http://support.microsoft.com" target="_blank">http://support.microsoft.com</a>

Windows 7 Service Pack 1 for x64-based Systems (KB976932)

Download size: 13.6 MB

You may need to restart your computer for this update to take effect.

Update type: Important

Windows 7 Service Pack 1 is a recommended collection of updates and improvements to Windows that are combined into a single installable update. The service pack can help make your computer safer and more reliable. A typical installation will take about 30

minutes to complete, and you will have to restart your computer about halfway through the process.

More information:

<a href="http://go.microsoft.com/fwlink/?LinkId=206783" target="_blank">http://go.microsoft.com/fwlink/?LinkId=206783</a>

Help and Support:

<a href="http://go.microsoft.com/fwlink/?LinkId=206784" target="_blank">http://go.microsoft.com/fwlink/?LinkId=206784</a>

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