.NET Framework 1.0 Service Pack 1

Service Pack 1 (SP1) is still available to download for testing purposes. .NET Framework 1.0 Service Pack 2 contains all SP1 fixes plus the latest updates. Please use SP1 at your own discretion.

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Microsoft .NET Framework 1.0 SP1 is available in nine localized languages.
Frequently Asked Questions
Find answers to frequently asked questions about Microsoft .NET Framework 1.0 SP1.
Summary of Fixes
Read a summary of the issues that Microsoft .NET Framework SP1 addresses.