When a process is initialized, the User subsystem calls into the security subsystem to determine the desktop integrity level assigned in the process security access token.
当一个进程被初始化时，用户子系统要求进入安全子系统，以确认进程安全访问令牌中分配的桌面诚信级别。
2
The desktop integrity level is set by the security subsystem when the process is created and does not change.