If the automatic installer fails, you can attempt a manual install:
The Ultimate Guide to .NET Framework 1.1.4322: Downloads, Compatibility, and Troubleshooting
C:\DotNet\NDP1.1sp1-KB867460-X86.exe /X /p C:\DotNet\NetFX11SP1 Use code with caution. Net Framework 1.1.4322 Download
Microsoft’s official deployment guide confirms that the .NET Framework version 1.1 redistributable package, named dotnetfx.exe , can be downloaded directly from the Microsoft Download Center. A verified and functional download link, which many users have successfully used to install version 1.1.4322, is provided by Microsoft. Users have reported that the executable file name is dotnetfx.exe and is approximately 23.2 MB in size.
The .NET Framework 1.1.4322 is an older version of the .NET Framework, which was released in 2003. It's a significant update to the .NET Framework 1.0, adding new features, improvements, and bug fixes. If the automatic installer fails, you can attempt
Before committing to the installation, consider these modern alternatives:
Despite being over two decades old, .NET Framework 1.1 remains a requirement for specific legacy software. Some notable examples include: Users have reported that the executable file name
If you need to verify specific application requirements or require assistance with the command line execution, tell me: What are you deploying this framework on?
You're looking for information on downloading .NET Framework 1.1.4322. Here are some details:
Microsoft Update Catalog: This is the safest official source. Search for "NET Framework 1.1" to find the redistributable package and Service Pack 1 (SP1).
Running .NET Framework 1.1 on any system, especially one connected to the internet or a corporate network, poses significant security risks. Because the framework no longer receives updates, any security vulnerabilities discovered after October 2013 remain unpatched and exploitable. Throughout its lifecycle, multiple critical security updates were released for .NET Framework 1.1 Service Pack 1 to address various vulnerabilities, including those in ASP.NET that could allow elevation of privilege and information disclosure. These updates (e.g., KB953297, KB928366, KB886903) are now outdated, and no new patches will be created. Running this software in a production environment exposes your systems to unpatched vulnerabilities and growing incompatibility with modern libraries and tooling.