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Install Error 643 Security Update for Microsoft .NET Framework

Windows Update


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  #1  
Old 25-08-2007
DaveK
 
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Install Error 643 Security Update for Microsoft .NET Framework

-- Security Update for Microsoft .NET Framework, Version 1.1 Service Pack 1
(KB929729)

The update fails to install, error code 643.

How do I install the udate. Windows Vista Home Premium, Dell PC.

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  #2  
Old 25-08-2007
George Hester
 
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Re: Install Error 643 Security Update for Microsoft .NET Framework

Try freeing about 300MB or so of space on the drive houseing your operating
system, C: most likely. Then try the update again.
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  #3  
Old 25-08-2007
Peter Foldes
 
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When you try to install an update for the .NET Framework 1.0, 1.1, or 2.0, you may receive
Windows Update error code "0x643" or Windows Installer error code "1603"
http://support.microsoft.com/kb/923100

I tried to download the Windows Cleanup Installer and received a "script
runtime error" message.
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  #4  
Old 01-09-2007
Patra
 
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I have done all that windows suggested at least 4 times today and the
installation still fails.

I had tried to find the Sp 1.1 download on MD but did not see it there do you
have a more specified file name for it or a link would be great,
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  #5  
Old 05-09-2007
Earlene
 
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RE: Install Error 643 Security Update for Microsoft .NET Framework

I had the same problem for months. Here's what I finally did to make it work:
I went to the Microsoft Download Center and found that this update requires
Service Pack 1.1 which I believed had previously installed since my system is
set for automatic updates. However, as nothing else had worked, I tried it
anyway. Sure enough, a dialog box came up notifying me that it SP 1.1 had
previously installed BUT asking if I wanted to install it on the Net
Framework 1.1. I allowed the install there, then began installation of
update 929729, also on the Net Framework 1.1. It worked.
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  #6  
Old 18-11-2007
Earlene
 
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RE: Install Error 643 Security Update for Microsoft .NET Framework

I believe this is it. The numbers match up with the updates listed on my
machine:

http://www.microsoft.com/downloads/d...DisplayLang=en
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  #7  
Old 04-12-2009
jejfudd
 
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RE: Install Error 643 Security Update for Microsoft .NET Framework

Just had to say thanks Earlene! I too had that pesky little problem. The only
hitch I ran into was that it couldn't locate the netfx.msi file. Thankfully
'Search' found it in short order otherwise it was a pretty straightforward
fix. I guess the question I have is "was this trip really necessary MS?"
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