Microsoft Download Center Archive
 | Security Update for Microsoft .NET Framework 3.5.1 on Windows 7 Service Pack 1 and Windows Server 2008 R2 Service Pack 1 |
A security issue has been identified that could allow an attacker to break or bypass a security feature in the affected software.
- A security issue has been identified that could allow an attacker to break or bypass a security feature in the affected software. You can help protect your system by installing this update from Microsoft. After you install this update, you may have to restart your system.
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Files
 | Status: LiveThis download is still available on microsoft.com. The downloads below will come directly from the Microsoft Download Center. |
| File | Size |
|---|---|
 Windows6.1-KB2968294-ia64.msuSHA1: 43bc4f31cfc8c133d625bb83567b8be0064030da | 1.63 MB |
| Windows6.1-KB2968294-x64.msu SHA1: cff0bafac3c677448c233dc0b596c8a14b9ff58c | 1.33 MB |
| Windows6.1-KB2968294-x86.msu SHA1: 5d007341c62969877271e7aa20607281bc8c338b | 749 KB |
File sizes and hashes are retrieved from the Wayback Machine’s indexes. They may not match the latest versions of files hosted on Microsoft servers.
System Requirements
Operating Systems: Windows 7 Service Pack 1, Windows Server 2008 R2 SP1
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.