PsExec lets you overpower Windows permissions to delete anything you want; PsExec provides ability to run programs at System-level permissions

Out, damned Registry Key! Out, I say!

OK, so it may be too much of a stretch to compare rooting out a stubborn Registry key to Lady Macbeth's lamentations, but it's my blog and I can steal a line from Shakespeare with the best of them. In this case, I'm inspired by Scott Hanselman's Computer Zen blog post entitled "