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If you must download it, only use official Microsoft archives to avoid malware from third-party "mirror" sites. Link .NET version 1.1.4322 - Microsoft Q&A
If you try to run these applications without the framework, they will crash immediately or fail to launch, often with a vague "framework initialization error." Net Framework 1.1.4322 Download
How to Install .net framework 1.1 in Windows 7 64-bit? - Microsoft Q&A If you must download it, only use official