.net updates



hi I hope you can help in my windows updates i have the following 3 updates:
Microsoft .NET Framework 2.0 Service Pack 1 (KB110806) (x86)
Microsoft .NET Framework 3.0 Service Pack 1 (KB929300) (x86)
Microsoft .NET Framework 1.1 Service Pack 1
When itry to install the framework 1.1 fails and then moves to 2.0 and hangs.
The error for 1.1 in update history is Error Code: 0x643
I heve had framework installed previously but got uninstalled by mistake
after a error appeared.
Any advice what need to be done.


First download to your hard drive each version of NET
you have on your PC. See links provided below.

Then uninstall each version .NET you have on your PC,
Starting with the highest version first and finally uninstalling NET 1.x
(Remove 1.1 hotfix after removing .Net 1.1)
Next reinstall NET 1.x and work your way back up to the last
(highest version #) of NET. Also use the .Net Cleanup Tool to
remove the last vestiges of .Net

..NET Framework Cleanup Tool:
"This .NET Framework cleanup tool is designed to automatically perform a set
of steps to remove selected versions of the .NET Framework from a computer,
It will remove files, directories, registry keys and values and Windows
Installer product registration information for the .NET Framework. The tool
is intended primarily to return your system to a known (relatively clean)
state in case you are encountering .NET Framework installation,
uninstallation, repair or patching errors so that you can try to install
again". I used this tool after using the Add or Remove Programs uninstall
feature. After using the Cleanup tool only a few folders and files still
remained, so I deleted these manually (See below)

NET Framework Setup Verification Tool:
"This .NET Framework setup verification tool is designed to automatically
perform a set of steps to verify the installation state of one or more
versions of the .NET Framework on a computer."

..Net folders - After deleting all .Net Redistributables:
C:\Program Files\Reference Assemblies\ (Delete the Reference Assemblies
folder )
C:\WINDOWS\assembly (Delete the assembly folder)
C:\WINDOWS\Microsoft.NET\Framework (Delete the Microsoft .Net folder )
C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\ (May or May
not exist)

1) The .NET Framework version 1.1 redistributable package:
2) NET Framework 1.1 Service Pack 1
3) NET Framework version 2.0
4) NET Framework 2.0 Service Pack 1
5) Microsoft .NET Framework 3.0
6) NET Framework 3.0 Service Pack 1

Then check for any .net security updates/hotfixes using Windows Update.


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