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Visual Studio 2010 Beta 1 – Bug when running unit test, There is no disk in the drive. \Device\Harddisk3\DR3

I just received this very cryptic error when running a Unit Test in Visual Studio 2010 Beta

devenv.exe – No Disk

There is no disk in the drive. Please insert a disk into drive \Device\Harddisk3\DR3


The only resolution was to restart Visual Studio.

Has anyone else seen this?

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