When Windows is started, there will be a lot of programs automatically start. Don't think that "Start → Programs → Start" menu is good, in fact, in Windows XP / 2K, let Windows automatic startup procedures, let you tell you The most important two folders and eight registration keys. First, the current user-specific startup folder This is a common location for many application software, and Windows automatically starts all shortcuts in this folder. User start folder is generally: Documents and settings "Start" menu program started, where "" is the name of the user account currently logged in. Second, start the folder for all users This is the second important location for the automatic startup program, regardless of the user's login system, the shortcut to put the folder is always automatically started - this is it and the user The distinction between the proprietary start folder is located. This folder is typically in: Documents and Settingsall Users "Start" menu program started. Third, the LOAD registration button describes that the registration button is not much, and it can actually start the program. Location: HKEY_CURRENT_USER SOFTWARE Microsoft WindowsNT CurrentVersion Windows Load. Fourth, Userinit Registration Key Position: HKEY_LOCAL_MACHINE SOFTWARE Microsoft Windowsnt CurrentVersion Winlogon Userinit. This is also possible to automatically initialize the program when the system starts. Usually the registration key has a userinit.exe, as shown in Figure 1, but this button allows you to specify multiple programs separated by commas, such as "Userinit.exe, Osa.exe" (excluding quotation marks). Five, ExplorerRun registry keys and load, different Userinit, ExplorerRun keys are under the HKEY_CURRENT_USER and HKEY_LOCAL_MACHINE, the specific location is: HKEY_CURRENT_USER Software Microsoft Windows CurrentVersion Policies ExplorerRun, and HKEY_LOCAL_MACHINE SOFTWARE Microsoft Windows CurrentVersion Policies ExplorerRun.