Have you ever frustrated when right click on Windows Explorer icon and select “Run as Administrator” but still got some kind of “Access Is Denied” message? The reason is Windows Explorer still doesn’t run under Admin right. Below is how to solve the problem according to http://www.msfn.org/board/topic/144776-unable-to-open-an-elevated-windows-explorer-window/
But I just want to put it here for my reference
1. Run dcomcnfg.exe
2. Flow screens below
This is particularly useful when you want to install assemblies into GAC in your production servers those don’t have Windows SDK.