Proper installation of .NET Framework 1.1 SP1 on a 64-bit system requires obtaining two files:
When the desktop reappeared, Elias looked at the Archivist Pro icon. It looked pixelated and sad against the high-resolution screen. He right-clicked, selected Properties , and set the compatibility mode to Windows XP (Service Pack 3) . He checked the box for Run as Administrator .
The .NET Framework 1.1 was released in 2003, with Service Pack 1 following in 2004. Modern 64-bit operating systems use strict security rules and direct execution paths that reject the raw, older version 1.1 setup package.
Some applications designed for .NET 1.1 can run on .NET 2.0 or 3.5 via built-in redirection. Go to Control Panel > Programs and Features > Turn Windows features on or off , and check the box for .NET Framework 3.5 . microsoft net framework 1.1 service pack 1 64-bit download
Despite this official position, many users have successfully installed and run the framework on Windows 10 and Windows 11 64-bit systems using the slipstream method detailed above. However, success is not guaranteed, and Microsoft provides no level of support for these configurations.
Next, extract the Service Pack updates and apply them directly to the original software blueprint ( netfx.msi ):
Extract the deployment files by running this command: dotnetfx.exe /c /t:C:\DotNet\TMP Proper installation of
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.NET Framework 1.1 was initially released in 2003, with Service Pack 1 representing the final service pack for this framework version. Mainstream support for .NET Framework 1.1 ended on October 8, 2013, and extended support followed soon after. However, many small to mid-sized organizations and industrial settings continue to rely on applications built with this framework due to legacy line-of-business dependencies, vendor software, and hardware management tools that are tightly coupled to .NET 1.1 or perform strict version checks at runtime.
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Standard installation often fails on newer 64-bit versions of Windows due to compatibility blocks. If you encounter errors, use this manual "slipstreaming" method to bypass them: Microsoft Learn Create a Workspace : Create a folder on your C: drive named Download and Rename Download the Redistributable Package dotnetfx.exe ) to this folder. Service Pack 1 NDP1.1sp1-KB867460-X86.exe ) and rename it to dotnetfxsp1.exe for easier commands. Run Manual Extraction : Open Command Prompt as Administrator and run these commands one by one:
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Download Предназначенный для повторного ... - Microsoft