RE: Install Error 643 Security Update for Microsoft .NET Framework
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,
> 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.
> "Patra" wrote:
> > I have done all that windows suggested at least 4 times today and the
> > installation still fails.
> > "DaveK" wrote:
> > > -- 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.