Program was unable to start correctly, no error code in compiler

I've been switching libraries and linking on this, finding that it needed 64 bit libraries to run and not 32 bit, but now that I changed that, The program is stopping entirely and simply saying that it was unable to start correctly.
I'll include whatever code I can without cluttering the screen too much, and link the tutorial I'm following. Just so you know so you don't have to watch the whole thing, the project has been going fine until I had to link SDL image libraries. Link to tutorial: https://youtu.be/YrWQsuDT3NE

I really quickly want to clarify that no error code was returned in the compiler, running the program just brings up a pop-up saying it was unable to start correctly.
------------------------------------------
Main.cpp :

#include "Game.h"

Game *game = nullptr;

int main(int argc, char *argv[])
{
game = new Game();
game->init("GameWindow", 800, 600, false);

while (game->running())
{
game->handleEvents();
game->update();
game->render();
}

game->clean();
return 0;
}
-----------------------------------------------------
Game.h :

#pragma once

#include "SDL.h"
#include "SDL_image.h"
#include <iostream>

class Game
{
public:
Game();
~Game();

void init(const char* title, int width, int height, bool fullscreen);

void handleEvents();
void update();
bool running() { return isRunning; }
void render();
void clean();

private:
bool isRunning = false;
int cnt = 0;
SDL_Window *window;
SDL_Renderer *renderer;
};
---------------------------------------------------------------------------

Game.cpp :

#include "Game.h"

SDL_Texture* playerTex;

Game::Game()
{}

Game::~Game()
{}

void Game::init(const char* title, int width, int height, bool fullscreen)
{
int flags = 0;

if (fullscreen)
{
flags = SDL_WINDOW_FULLSCREEN;
}

if (SDL_Init(SDL_INIT_EVERYTHING) == 0)
{
window = SDL_CreateWindow(title, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, width, height, flags);
renderer = SDL_CreateRenderer(window, -1, 0);
if (renderer)
{
SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
}

isRunning = true;
}

SDL_Surface* tmpSurface = IMG_Load("assets/Player.png");
playerTex = SDL_CreateTextureFromSurface(renderer, tmpSurface);
SDL_FreeSurface(tmpSurface);
}

void Game::handleEvents()
{
SDL_Event event;

SDL_PollEvent(&event);

switch (event.type)
{
case SDL_QUIT :
isRunning = false;
break;
default:
break;
}
}

void Game::update()
{
cnt++;
std::cout << cnt << std::endl;
}

void Game::render()
{
SDL_RenderClear(renderer);
SDL_RenderCopy(renderer, playerTex, NULL, NULL);
SDL_RenderPresent(renderer);
}

void Game::clean()
{
SDL_DestroyWindow(window);
SDL_DestroyRenderer(renderer);
SDL_Quit();
}
I forgot to mention the pop-up mentions "0xc000007b". I don't know how much this will help, I tried googling the error and so far it hasn't helped too much in fixing this but maybe I'm missing something still.
Not an answer to your problem, but just an observation:

game = new Game();

Why? Why not Game game; ? Dynamic memory is to be used only when you have to. Pointers are to be used only when you have to. In this case, there's no need for it.
Check every pointer that is returned from an SDL function, and if it's a bad pointer, output the last SDL error:

1
2
3
4
5
window = SDL_CreateWindow(title, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, width, height, flags);
if (!window)
{
  std::cout << "Unable to create window. SDL Error:" <<  SDL_GetError() << '\n';
}


and so on.
What compiler / IDE do you use?
It works for me on VS 2015 CE X86 Debug build.
You mentioned that you switched from the 32-bit to the 64-bit version the SDL library, but error 0xc000007b (STATUS_INVALID_IMAGE_FORMAT) is telling you that something is still out of step 32-bit/64-bit wise.

If your app is 64-bit and the SDL libraries are 64-bit, then the next thing to check are the libraries SDL depend on.

Andy

0xC000007B
STATUS_INVALID_IMAGE_FORMAT

{Bad Image} %hs is either not designed to run on Windows or it contains an error. Try installing the program again using the original installation media or contact your system administrator or the software vendor for support.


2.3.1 NTSTATUS Values
https://msdn.microsoft.com/en-gb/library/cc704588.aspx
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