The .NET Framework 4 Client Profile is available on Windows Update

The Microsoft .NET Framework 4 Client Profile provides a subset of features from the .NET Framework 4. The Client Profile can optimize client applications and enables the fastest possible deployment for Windows Presentation Foundation (WPF) and for Windows Forms.

The .NET Framework 4 and the .NET Framework 4 Client Profile are available on Windows Update (WU) and on Windows Server Update Service (WSUS). Specifically, the .NET Framework 4 Client Profile is released as a recommended update that may be installed automatically on Windows Vista and Windows 7. The Client Profile is released as an optional update for Windows XP. In Windows XP, you must manually run WU and select the .NET Framework 4 Client Profile.

The .NET Framework 4 is available on Windows Server 2003, Windows Server 2008 and on Windows Server 2008 R2 as an optional update.

On WSUS, the .NET Framework 4 is an optional update on Windows Server 2003, Windows Server 2008 and on Windows Server 2008 R2. The .NET Framework 4 Client Profile is optional on Windows XP and recommended on Windows Vista and Windows 7.

For more information about .NET Framework 4 Clinet Profile, visit the following Microsoft Website:

Download Information

You can download Standalone Installer of .NET Framework 4 Client Profile by visiting Microsoft Downloading Center:

Known Issues

To resolve the "0x80246002" error, visit the following Microsoft Website: You may also encounter the following issues when you try to install this update:

• The update installation fails.
• The system keeps reminding you to install this update although you already installed it.
• The desktop does not load.

If you encounter one of the issues mentioned above, you may try the following methods.

Method 1: Reset Windows Update components and then try updating your computer

To reset the Windows Update components automatically, click the Fix it button or link. Click Run in the File Download dialog box, and then follow the steps in the Fix it wizard.

Note this Fix it Solution has two modes Default and Aggressive. You should run the Fix it solution in Default mode and determine whether it resolves your problem with Windows Update before you ru it in Aggressive mode.
Fix this problem

(http://go.microsoft.com/?linkid=9665683)

Microsoft Fix it 50202

Note this wizard may be in English only; however, the automatic fix also works for other language versions of Windows.

Note if you are not on the computer that has the problem, save the Fix it solution to a flash drive or a CD and then run it on the computer that has the problem.
For more information about how to reset Windows Update components, visit the following Microsoft Website:

Method 2: Manually download the update from the download link and then install it in clean boot mode

We suggest you to install the updates in clean boot mode to avoid the interruption of non-Microsoft programs. To enter clean boot mode on a computer, follow these steps:

1. Click Start, type msconfig in the Start Search box, and then press ENTER.
2. If you are prompted for an administrator password or for confirmation, type the password or click Continue.
3. On the General tab, click Selective Startup.
4. Under Selective Startup, clear the Load Startup Items check box.
5. Click the Services tab, click to select the Hide All Microsoft Services check box, and then click Disable All.
6. Click OK.
7. When you are prompted, click Restart.
8. Try update your computer again.

Video: How to do a clean boot in Windows

For more information about this method, visit the following Microsoft Website:

For information about the .NET Framework 4, visit the following Microsoft website:For more information about the benefits of the .NET Framework, click the following article number to view the article in the Microsoft Knowledge Base: