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.NET Security Update Fails to Install

Posted on 2008-10-24
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Last Modified: 2008-11-01
I am having an issue with .NET Security updated KB928365 repeatedly failing to install on a users computer. The following event is recorded in the System log on the affected machine:

Event Type:      Error
Event Source:      Windows Update Agent
Event Category:      Installation
Event ID:      20
Date:            10/24/2008
Time:            8:27:16 AM
User:            N/A
Computer:      XXXXXX
Description:
Installation Failure: Windows failed to install the following update with error 0x80070643: Security Update for Microsoft .NET Framework, Version 2.0 (KB928365).

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
Data:
0000: 57 69 6e 33 32 48 52 65   Win32HRe
0008: 73 75 6c 74 3d 30 78 38   sult=0x8
0010: 30 30 37 30 36 34 33 20   0070643
0018: 55 70 64 61 74 65 49 44   UpdateID
0020: 3d 7b 32 38 31 39 30 41   ={28190A
0028: 36 43 2d 42 44 45 34 2d   6C-BDE4-
0030: 34 42 39 31 2d 38 33 42   4B91-83B
0038: 43 2d 31 46 30 32 33 31   C-1F0231
0040: 42 36 39 34 42 32 7d 20   B694B2}
0048: 52 65 76 69 73 69 6f 6e   Revision
0050: 4e 75 6d 62 65 72 3d 31   Number=1
0058: 30 33 20 00               03 .    


I've found a few sites that reference the issue but can't seem to nail down a solution. Any help is appreciated. Thanks!
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Question by:Haze0830
2 Comments
 
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Expert Comment

by:Merete
ID: 22802685
Maybe you need to have the original .netframework 1 then 1.1 patch update, if you progressed to xpsp3 through the right updates prior.
This system  should be ready to accept these new features with xpsp3, it is after all a lead up to Vista..
If you missed some updates prior to upgrading to xpsp3 that maybe the problem.
You don't really need it  .net framework 1.1 works fine.

How to view the Update log in Windows:-
Click Start, and then click Run.
In the Open box, type: %windir%\windowsupdate.log
and then click OK.

How to read the Windowsupdate.log file:
http://support.microsoft.com/kb/902093 

the actual error code you have posted >> Windows failed to install the following update with error 0x80070643, could be a missing update for office as well.
Which version of office are you running on xpsp3?

Microsoft offers this
Updates are not installed successfully from Windows
Update, from Microsoft Update, or by using Automatic Updates after you
perform a new Windows XP installation or you repair a Windows XP
installation
http://support.microsoft.com/kb/943144 


There is another question here at EE with similar issues resolved  by running a cmd prompt Dotnetfx.exe
http://www.experts-exchange.com/OS/Microsoft_Operating_Systems/Q_23548901.html
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Accepted Solution

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Haze0830 earned 0 total points
ID: 22815649
I figured out what the problem was. We recently upgraded to MS Dynamics 10.0 which requires .NET 2.0 to be installed on the client machines. When you install Dynamics it checks for a handful of prerequisites - one of them being .NET 2.0 and if they aren't present it will install them. We had a problem with the Dynamics installation failing on machines that already had .NET 2.0 installed - not sure if it was a version issue or what? - the installer just didn't like it. So our solution was to remove .NET 2.0 from any client machines that had it and let the Dynamics package take care of it - this worked out fine.

The PC in question was a laptop that never got the Dynamics upgrade, but had .NET 2.0 uninstalled in preparation - for whatever reason this update was hanging around looking for .NET 2.0 - since it wasn't there it was obviously failing. I installed the Dynamics upgrade along with .NET 2.0 and the update took just fine after that.

Case closed.
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