Microsoft Security Essentials - (KB2902907) Download size: 13.0 MB failed to install Error Code 0x80070643

Microsoft Security Essentials - (KB2902907)  Download size: 13.0 MB  failed to install Error Code 0x80070643 Security Update for Microsoft .NET Framework 4.5.1 on Windows 7, Vista, Server 2008, and Server 2008 R2 for x64 (KB2898869)

Download size: 26.0 MB

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

Update type: Important

A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system.

More information:
http://support.microsoft.com/kb/2898869

Help and Support:
http://support.microsoft.com
Security Update for Microsoft .NET Framework 4.5.1 on Windows 7, Vista, Server 2008, and Server 2008 R2 for x64 (KB2901126)

Download size: 8.2 MB

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

Update type: Important

A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system.

More information:
http://support.microsoft.com/kb/2901126

Help and Support:
http://support.microsoft.com

I restart the System and they are not installed

 

Question Info


Last updated June 22, 2019 Views 10,139 Applies to:

It looks to me more like a Windows issue than an issue with Microsoft Security Essentials.

Perhaps, Windows Update Fix it may help:

Windows Update Fix it

For those updates to install, Windows 3.1 or higher is required. Get it from here:

http://go.microsoft.com/fwlink/?LinkID=132022

Please come back with the results.
Please mark replies as helpful/answer if they are.

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