hi
am trying to run a page in asp.net(C#) which is connected to a database located on a server(LAN), it was running normaly, but when i installed sqlserver service pack 3 on the server, i got this error:
Login failed for user '(null)'. Reason: Not associated with a trusted SQL Server connection.
i tryed to uninstall the sp3, Or install sp4, i checked all the securitys, every thing is okay but still not working, can any body help me plzzzzzzzzzzzz

It sounds like an issue with your connection string, but you don't tell us anything about that.

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