KB917952 - Error message when you try to install a ClickOnce application

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Description
A Hotfix is a product update package with one or more updated product files that fix a specific product problem.

IMPORTANT NOTE

Please be aware this Hotfix has not gone through full Microsoft product regression testing nor has it been tested in combination with other Hotfixes.

Please carefully review the associated Hotfix KB article to verify the fix is the one needed and there are no known compatibility or installation issues. You may also want to contact a Microsoft Support Professional at http://support.microsoft.com

Issue Description

KB917952 FIX: Error message when you try to install a ClickOnce application that you created in the .NET Framework 2.0 onto a client computer that is configured to use a proxy server: "Proxy authentication required"

SYMPTOMS
Consider the following scenario:• You create a ClickOnce application in the Microsoft .NET Framework 2.0.
• You publish the ClickOnce application to a deployment server.
• A client computer is configured to use a proxy server that requires authentication.
In this scenario, when you try to install the ClickOnce application from the deployment server onto the client computer, you receive the following error message:
The remote server returned an error: (407) Proxy Authentication Required.


Additional Information about the issue resolved by this Hotfix can be found in its Knowledge Base article at http://support.microsoft.com/kb/917952

Additional Hotfixes
Search the list of all other publicly available Visual Studio and .NET Framework Hotfixes at http://code.msdn.microsoft.com/Project/ProjectDirectory.aspx?TagName=Hotfix&ProjectSearchText=Hotfix*