Microsoft Silverlight is a cross-browser, multi-environment plug-in that delivers the next generation of Microsoft .NET–based media experiences and rich interactive applications for the web. This article describes Silverlight 4 general distribution release version 4.0.51204.0. This update was released on December 15, 2010.
This update fixes the following issues.
Foreign diacritical marks are not displayed in a TextBox control or in a RichTextBox control in an Out-of-Browser (OOB) application on a Macintosh computer. Note A diacritic is a special mark added to a letter to indicate a different pronunciation, stress, tone, or meaning. Acute and grave accents, tildes, and cedillas are examples of diacritics.
Before you apply this update, a Silverlight 4 OOB application can enable an update only when the application is signed by matching certificates that have not expired.
This update relaxes this restriction. After you apply the update, an OOB application can enable an update if the following conditions are true:
Both the new application and the old application have valid signatures.
The new application is signed by a trusted certificate.
The Subject and the Issuer of the certificate that is used to sign the new application match those of the certificate that is used to sign the old application.
This update is available from the following sources.
Microsoft Silverlight site
The Silverlight installer includes all earlier updates in addition to this update. To install the latest version of Silverlight, visit the following Microsoft website:
Note to developers If you are a software developer who creaes Silverlight applications and you want to update to the developer runtime to this general distribution release version 4.0.51204. Download and install the appropriate Silverlight Developer Runtime for:
This update is also available to users of Microsoft Update. If you have an earlier version of Silverlight installed, this update will be offered as “Update for Microsoft Silverlight (KB 2477244).”
Note This update will be detected by Microsoft Update Agent if "Update for Microsoft Silverlight (KB 2477244)" is suitable for your computer. If you want to download it manually, visit the following Microsoft website: Get Microsoft Silverlight
How to uninstall Silverlight
To uninstall Silverlight, visit the following Microsoft website, and then click Uninstall Silverlight:
The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.