Microsoft Download Center Archive
 | .NET Framework 1.1 Service Pack 1 CLR Security Update for Windows 2000, Windows XP, Windows 2003 Server x64/IA64 and Windows 2003 Server R2 x64/IA64, Windows Vista, Windows Server 2008, Windows 7, Windows Server 2008 R2 |
A security issue has been identified that could allow an attacker to compromise your Windows-based system with the Microsoft .NET Framework 1.1 Service Pack 1.
- A security issue has been identified that could allow an attacker to compromise your Windows-based system with the Microsoft .NET Framework 1.1 Service Pack 1 and gain complete control over it. You can help protect your computer by installing this update from Microsoft.
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| Security Bulletins: |
Files
 | Status: DeletedThis download is no longer available on microsoft.com. The downloads below are archives provided by the Internet Archive Wayback Machine from the Microsoft Download Center prior to August 2020. |
| File | Size |
|---|---|
 NDP1.1sp1-KB953297-X86.exeSHA1: dbf23e456103c38626e03720df75c780d9bc48af | 13.25 MB |
System Requirements
Operating Systems: Windows 2000, Windows Server 2003 Itanium-based editions, Windows Server 2003 x64 editions, Windows Server 2008, Windows Vista, Windows XP
Note: More information about Service Pack levels currently supported for the platforms listed above can be found in the following page: Microsoft Product Support Lifecycle.
Installation Instructions
- Click the Download button on this page to start the download, or select a different language from the Change language drop-down list and click Change.
- Do one of the following:
- To start the installation immediately, click Run.
- To save the download to your computer for installation at a later time, click Save.
- To cancel the installation, click Cancel.