Microsoft Download Center Archive
 | Microsoft .NET Framework 4 Reliability Update 1 (KB2533523) |
Install this reliability update to resolve issues in Microsoft .NET Framework 4.
- Install this reliability update to address stability, reliability, and performance issues in Microsoft .NET Framework 4. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article KB2533523 for more information.
After you install this item, you may have to restart your computer.
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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 |
|---|---|
 NDP40-KB2533523-IA64.exeSHA1: 3ae924ec8195dc1081460f33915689cbcc504686 | 45.11 MB |
| NDP40-KB2533523-x64.exe SHA1: 9a16c0d4714e470ba90810edfbcc03b0f0e961dc | 37.23 MB |
| NDP40-KB2533523-x86.exe SHA1: e4d68d030e6577b5183ce441dbcc62d2d3112f29 | 19.17 MB |
System Requirements
Operating Systems: Windows 7, Windows Server 2003, Windows Server 2008, Windows Server 2008 R2, 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.