Not able to install .NET FRAMEWORK

a) Download Windows Install Cleanup Utility by following the article http://support.microsoft.com/kb/290301 and remove any other versions of .Net framework showing up in cleanup utility.

b) Also download the Net Framework cleanup tool from http://blogs.msdn.com/astebner/archive/2005/04/08/406671.aspx and you can download the tool from the left side of the page under the section "USEFUL TOOLS".

c) Download and run the tool and select the option "Remove All Versions" and click Remove all and all versions of Net framework will be removed if you have not completely removed Dot Net in previous steps.You may have to restart your computer after this step for the changes to take effect.d) Download the following files from the links given below and Install them.
DOTNETFX http://www.microsoft.com/downloads/details.aspx?familyid=262D25E3-F589-4842-8157-034D1E7CF3A3&displaylang=en



.NET FRAMEWORK 1.1 Service pack 1http://www.microsoft.com/downloads/details.aspx?familyid=a8f5654f-088e-40b2-bbdb-a83353618b38&displaylang=en
h) Then Visit windows update website and you will get the prompt to install both the updates 928365 and 928366 and install them on the system and this time they will get installed without any issues.


Step 1: Download Microsoft Windows Installer CleanUp utility
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1. Visit: http://download.microsoft.com/download/E/9/D/E9D80355-7AB4-45B8-80E8-983A48D5E1BD/msicuu2.exe
2. Save the file to your computer.
3. Right click "msicuu2.exe", click "Run as administrator" and follow the wizard to install this tool on your computer.

Step 2: Remove .NET Framework
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1. Click Start ->All Programs->Windows Installer Clean Up, click Allow.
2. See if you can find .Net Framework software. If so, remove them.

After that, please restart the computer and perform the following suggestions to reinstall .NET framework 1.1 and the updates for it.

Step 3: Install .NET Framework 1.1 Redistributable Package and related updates
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1. Please download the Microsoft .NET Framework Version 1.1 Redistributable Package from the following link and save it to the C drive (C:\)

1) Microsoft .NET Framework Version 1.1 Redistributable Package

http://download.microsoft.com/download/a/a/c/aac39226-8825-44ce-90e3-bf8203e74006/dotnetfx.exe

2) Microsoft .NET Framework 1.1 Service Pack 1

http://download.microsoft.com/download/8/b/4/8b4addd8-e957-4dea-bdb8-c4e00af5b94b/NDP1.1sp1-KB867460-X86.exe

3) Security Update for Microsoft .NET Framework, Version 1.1 Service Pack 1 (KB928366)

http://www.download.windowsupdate.com/msdownload/update/v3-19990518/cabpool/ndp1.1sp1-kb928366-x86_20112ef50011e0de2c0e3378139245d81a178b15.exe

4) .NET Framework 1.1 Service Pack 1 SYSTEM.WEB.DLL and MSCOREE.DLL Security Update for Windows Vista (KB929729)

http://download.microsoft.com/download/6/c/c/6ccd11ec-a7ca-4294-92fb-60beff5502e9/NDP1.1sp1-KB929729-X86.exe

Unable to install windows updates in windows XP service pack2

Cause :- The problem caused by the corrupt entries of windows update files in softwaredistribution list or catroot files
Resolution :
1. Stop automatic update, background intelligence transfer service , cryptographic service in services.msc
2. Rename c:\windows\softwaredistribution folder to distribution.old
3. Rename or delete c:\windows\windowsupdate.log file
4. rename or delete c:\windows\catroot and c:\windows\catroot2 folders
5. type the following commands in command prompt one by one and hit enter each time
regsvr32 /s c:\windows\system32\wuapi.dll
regsvr32 /s c:\windows\system32\wuaueng.dll
regsvr32 /s c:\windows\system32\wuaueng1.dll
regsvr32 /s c:\windows\system32\wuauserv.dll
regsvr32 /s c:\windows\system32\wucltui.dll
regsvr32 /s c:\windows\system32\wups.dll
regsvr32 /s c:\windows\system32\wups2.dll
regsvr32 /s c:\windows\system32\wuweb.dll
Start automatic update, background intelligence transfer service , cryptographic service in services.msc