The context menu debug stuff will let you see if a particular handler is slowing things down. I don't think it reports anything about shortcuts in the Send-To sub-menu but it's easy to see if that's the problem by opening it in Explorer.
The context menu debug stuff will let you see if a particular handler is slowing things down. I don't think it reports anything about shortcuts in the Send-To sub-menu but it's easy to see if that's the problem by opening it in Explorer.