Error starting user instance process failed to generate SQL solution

The user instance of SQL Server could not be generated because of an error in the process that started the user instance. The connection will be closed. The error message for the English version of the same question is: "Failed to generate a user instance of SQL Server due to a failure in starting the process for the user I Nstance. The connection'll be closed.

This is a Microsoft bug, and Microsoft has admitted that the details are as follows: http://support.microsoft.com/?id=896613 This error condition is: You have used Remote Desktop Connection, and installed sql2005+vs2005, There is a great possibility of triggering this problem, Microsoft said will be in the future of the XP SP3 inside solve this problem, want to solve this problem immediately, need to pay pay regardless of MS, we have the solution, please see the following article: http://forums.microsoft.com/MSDN/ Showpost.aspx? Postid=128707&siteid=1

Workaround: Delete c:documents and settings[username]local settingsapplication datamicrosoftmicrosoft SQL Server Datasqlexpress directory, [USERNAME] is a Windows user name, such as Administrator