I am unable to install important updates(7)? Code C354 and Code 66A

[AWS]

Recently, every time I install windows updates(especially important ones), it always says "Some updates were not installed".

The updates are: 

 

Security Update for Microsoft .NET Framework 4 on XP, Server 2003, Vista, Windows 7, Server 2008, Server 2008 R2 for x64 (KB2729449)

 

Download size: 25.2 MB

 

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.

 

 

 

Security Update for Microsoft .NET Framework 4 on XP, Server 2003, Vista, Windows 7, Server 2008, Server 2008 R2 for x64 (KB2736428)

 

Download size: 2.4 MB

 

Update type: Important

 

A security issue has been identified that could allow an unauthenticated remote attacker to cause the affected application to stop responding. You can help protect your system by installing this update from Microsoft. After you install this update, you

may have to restart your system.

 

 

Security Update for Microsoft .NET Framework 4 on XP, Server 2003, Vista, Windows 7, Server 2008, Server 2008 R2 for x64 (KB2737019)

 

Download size: 15.5 MB

 

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.

 

 

Security Update for Microsoft .NET Framework 4 on XP, Server 2003, Vista, Windows 7, Server 2008, Server 2008 R2 for x64 (KB2742595)

 

Download size: 12.9 MB

 

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.

 

 

 

 

 

Security Update for Microsoft .NET Framework 4 on XP, Server 2003, Vista, Windows 7, Server 2008, Server 2008 R2 for x64 (KB2789642)

 

Download size: 4.2 MB

 

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.

 

 

 

Skype 5.10 for Windows (KB2727727)

 

Download size: 24.4 MB

 

Update type: Important

 

Skype 5.10 for Windows is now available. Updates include various performance improvements and bugfixes.

 

 

Security Update for Microsoft Visual Studio 2010 XML Editor (KB2251489)

 

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 leading to an XXE (Xml eXternal Entity) vulnerability. You can protect your computer by installing this update from Microsoft.  After you install this item, you may have to restart your computer.

 

 

 

I receive the following error codes:

Code C354

Code 66A

I've already run Microsoft Fix It and Windows Update Fixer, yet I still can't get these updates to install. Any help would be greatly appreciated. Thank you!

 

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