The toolbox in Visual Studio Professional 2008 has somehow ended up with 12 instances of each control. They are just the standard controls, no third party controls, and I h
You can also go into the folder "C:\Documents and Settings\\Local Settings\Application Data\Microsoft\VisualStudio\9.0" and delete the *.tbd files. I have had to do this a couple times to get rid of duplicate items and when Reset Toolbox crashes without warning.