MS13-004: Description of the security update for the .NET Framework 4.5 on Windows 8, Windows RT, and Windows Server 2012: January 8, 2013

Download information

This update is available for download from the Microsoft Download Center:

Known issues with this security update

• Windows Update will not offer this security update to Windows RT-based computers until update KB2808380 has been installed. For more information, click the following article number to view the article in the Microsoft Knowledge Base: For more information, click the following article number to view the article in the Microsoft Knowledge Base:
  
  2808380 Windows Update service freezes after a Windows RT-based computer enters the "connected standby" state
  

Command-line switches for this update

For information about the various command-line switches that are supported by this update, click the following article number to view the article in the Microsoft Knowledge Base:

Restart information

This update does not require a system restart after you apply it unless the files that are being updated are locked or being used.

Update replacement information

This update does not replace any previously released update.

Update removal information

Note We do not recommend that you remove any security update.

To remove this update, use the Programs and Features item in Control Panel.

File information

The English (United States) version of this update installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.