.NET Framework Update errors (The Fix)
 

I have never had any problems when using this!

Step 1: Remove the corrupt .NET Framework components
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1. Please download the dotnetfx_cleanup_tool.zip from the following link:
http://astebner.sts.winisp.net/Tools...eanup_tool.zip
2. Unzip the zipped file, and you will get the tool "cleanup_tool.exe".
3. Please double click it and choose Yes to reply.
4. At "Product to cleanup", Choose .NET Framework - All Versions
5. Then Click Cleanup Now

Step 2: Install .NET Framework 1.1 Redistributable Package and .NET Framework 1.1 SP1
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1. Please download the Microsoft .NET Framework Version Redistributable Packages and the updates from the following link and save them to the C drive (C:\)

Microsoft .NET Framework Version 1.1 Redistributable Package
http://download.microsoft.com/downlo...6/dotnetfx.exe

Microsoft .NET Framework 1.1 Service Pack 1
http://download.microsoft.com/downlo...867460-X86.exe

Security Update for Microsoft .NET Framework, Version 1.1 Service Pack 1 (KB928366)
http://www.download.windowsupdate.co...d81a178b15.exe

Microsoft .NET Framework Version 2.0 Redistributable Package (x86)
http://www.microsoft.com/downloads/i...2fdotnetfx.exe

.NET Compact Framework 2.0 Service Pack 1 Redistributable
http://www.microsoft.com/downloads/d...displaylang=en

.NET Framework version 3.0 redistributable package
http://www.microsoft.com/downloads/i...etfx3setup.exe

Microsoft .NET Framework 3.0 Service Pack 1
http://www.microsoft.com/downloads/d...displaylang=en

.NET Framework 3.5 redistributable package
http://download.microsoft.com/downlo...dotnetfx35.exe

2. When the File Download window appears, please click the Save button, and follow the directions to save it to Windows. After downloading the Microsoft .NET Framework setup files onto your computer, please double-click the .NET Framework files to manually install them one by one.