However, Windows XP and Windows Server 2003 handle the Certificate Revocation Lists (CRL) differently than other operating systems. When Extension Manager handles the Certificate Revocation Lists (CRL), Extension Manager uses the same method for all operating systems. This issue occurs because Windows XP and Windows Server 2003 handle the Certificate Revocation Lists (CRL) differently than other operating systems. This issue occurs because signatures are compared incorrectly. When you try to install a signed extension that has a valid signature in Visual Studio 2010 SP1 on a computer that is running Windows XP or Windows Server 2003, you receive the following error message in a Download and Install dialog box: In this scenario, you receive the following error message: The update renews the signature of the extension.
You use Extension Manager to try to install an update for the extension. You have a signed extension installed in Visual Studio 2010 SP1. If you did familiar action with the following scenario: This article discusses issues that occur when you install or update digital signature extensions in Microsoft Visual Studio 2010 Service Pack 1 (SP1). Error when you update or install a signed extension in Visual Studio 2010 SP1 Symptoms
