One of the least pleasant chores of getting Orcas everywhere has been cleaning out the old versions of software. If you've just been trying out the framework in the past, then it's not too bad. I've been using Visual Studio 2008 betas everywhere in addition to the framework. All three of the machines I've upgraded so far have needed some manual intervention. Visual Studio has dozens of components that are part of the typical install. After uninstalling a beta, some of the individual component uninstallers might not have finished successfully. That can usually be fixed by removing those components explicitly. This list gives the order components should be removed if any of them are left around. I haven't needed anything more drastic yet then running the individual uninstallers. Read More...