Show Visualizers Error "could not load this custom viewer"

Question

When I try to inspect DataSet by standard DataSet visualizer I see this error "could not load this custom viewer". I wrote simple dataset visualizer, but error throws anyway too.

On other computers with the same configuration visualizer show without any errors.

OS: Windows 7 x86 (Release)

VS: Visual Studio 2010 RC

has somebody any ideas?

I reinstall VS with no effect.

Answer 1

Try the following.

-Go to Tools->options->Debugging->Plz Uncheck "Use Managed Compatibility Mode"