Although Essential .NET, Volume I: The Common Language Runtime has only 432 pages (published in 2002), it contains a lot of practical details and expert-level advice only Don Box can provide. This provides the very important reference and guidance for developers who need to make full use of the Microsoft .NET's powerful features.

If you are a player, especially a guy being fond of PC games, then you must have met the situations of some games can't run normally or they run with all sorts of strange problems. At this time, you only need to make sure your Windows has installed the following system components (or being called running environment is more suitable), then you will be able to pass unimpededly in the game world! Of course, the correct version is also critical.

When you find the .NET Framework's installation or update fails, or it does not work normally after re-installing, or even unable to uninstall, so this is mostly because of any previous version not uninstalled cleanly. At this time, .NET Framework Setup Cleanup Utility (also called .NET Framework Cleanup Tool) can help you solve this.