Article ID: 2859818 - View products that this article applies to.
The Microsoft .NET Framework 4.5.1 is a highly compatible, in-place update to the Microsoft .NET Framework 4 and the Microsoft .NET Framework 4.5.
The web installer is a small package (less than 1 megabyte) that automatically determines and downloads only the components applicable for a particular platform. The web installer also installs the language pack that matches the language of the user’s operating system.
Download informationThe following file is available for download from the Microsoft Download Center:
Download the package now.
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For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.
(http://support.microsoft.com/kb/119591/ )How to obtain Microsoft support files from online services
What’s new in the .NET Framework 4.5.1?The .NET Framework 4.5.1 supports the writing of code in C#, Visual Basic, and F# programming languages, and includes these significant language and framework enhancements:
(http://msdn.microsoft.com/netframework)website and blog post
(http://blogs.msdn.com/b/dotnet/archive/2013/06/26/announcing-the-net-framework-4-5-1-preview.aspx). This version of the .NET Framework runs side-by-side with the Microsoft .NET Framework 3.5 Service Pack 1 (SP1) and earlier versions, but performs an in-place update for the .NET Framework 4 and the .NET Framework 4.5.
Command-line options for this updateFor more information about the various command-line options that are supported by this update, go to the "Command-Line options" section of the following MSDN website:
.NET Framework Deployment Guide for Developers
Restart requirementYou may have to restart the computer after you install this software if any affected files are being used. We recommend that you close all applications that are using the .NET Framework before you apply this update.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Article ID: 2859818 - Last Review: October 21, 2013 - Revision: 2.0