Yesterday I was running into a problem with Visual Studio 2010 and SilverLight 4. I asked for help internally. There was some suspician that this history might have something to do with my problem, but I had installed all kinds of tools on my machine...

The WDK has a tool called poolmon and you can use it to find leaks as is described in the Windows Internals book. You can use the NotMyFault demo app ( here ) to demo it. Instead of PoolMon you can also use WPT and X-Perf. Once installed, you run it...