SQL Server Server Management Studio Error "Attempted to perform an unauthorized operation"

When I start Microsoft SQL Server Management Studio, I get an a .NET Framework error. It was installed as part of SQL Server Express.

alt text http://www.xdstech.com/clients/so/studio-error.png

If I click "Continue", I get the usual "Connect to Server" dialog, but I am unable to connect to the local SQL Server. I am able to connect from Visual Studio, so I know its running.

I can't figure out what unauthorized operation its trying to perf开发者_开发知识库orm. Has anybody experienced this, or can help me solve this?

When you click "Details" it gives you a really big message, which you can see here

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It sounds like there was a possible install error? I would try uninstalling and reinstalling with a user that has admin permissions.