什么是Beginning dump of physical memory?

就是将内存当前的状态存储到硬盘上，一般是在系统发生异常的时候才执行的，主要是用来向微软报告错误用的，对于普通使用者没有什么意义

下面是微软对这个动作的解释

To specify what Windows does if the system stops unexpectedly
You must be logged on as an administrator or a member of the Administrators group in order to complete this procedure. If your computer is connected to a network, network policy settings might also prevent you from completing this procedure.

Open System in Control Panel.
On the Advanced tab, under Startup and Recovery, click Settings.
Under System Failure, select the check boxes that correspond to the actions you want Windows to perform if a Stop error occurs:
Write an event to the system log specifies that event information will be recorded in the system log.
Send an administrative alert specifies that your system administrator will be notified.
Automatically reboot specifies that Windows will automatically restart your computer.
Under Write Debugging Information, choose