[Python] exe file made with pyinstaller being reported as a virus threat by windows defender

I'm trying to create an exe using pyinstaller for a school project but, windows defender seems to report a virus threat and blocks the file. I want to send this exe to some other people but i wouldn't be able to do that unless I fix this. So these are my queries- Why does the exe file get reported as a virus? A quick scan on virus total says that 16 engines detect this file as a Trojan. Also, is there any way to prevent windows defender or any other antivirus from alerting users of a virus threat , I mean, is there any way to make my file look safe to antiviruses in case it was just a false threat? And in case that is not possible, what are the other safe alternatives to pyinstaller? I'm just a beginner so any tips would be really appreciated. Thanks.

EDIT: as requested by @Pro Chess, ive included my script.

import socket
import threading
import pickle

class Server :
def __init__(self) :
self.HEADER = 64
self.PORT = 5050
self.SERVER = socket.gethostbyname(socket.gethostname())
self.ADDR = (self.SERVER, self.PORT)
self.FORMAT = 'utf-8'
self.DISCONNECT_MESSAGE = "!DISCONNECT"

self.server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.server.bind(self.ADDR)
self.save_dict = {}

def file_access(self) :
with open("project_data\\savedata.dat","rb") as save_file :
save_dict = pickle.load(save_file)
return save_dict

def file_dump(self) :
with open("project_data\\savedata.dat","wb") as save_file :
pickle.dump(self.save_dict,save_file)

def recieve(self,conn) :
msg_length = conn.recv(self.HEADER).decode(self.FORMAT)
if msg_length:
msg_length = int(msg_length)
msg = conn.recv(msg_length).decode(self.FORMAT)
return msg

def handle_client(self,conn, addr):
print(f"[NEW CONNECTION] {addr} connected.")

connected = True
while connected:
try :
self.save_dict = self.file_access()
msg = self.recieve(conn)
if msg == self.DISCONNECT_MESSAGE:
connected = False
elif msg == "Save Data" :
player_id = conn.recv(5000)
try :
name,code = pickle.loads(player_id)
except EOFError :
pass
if (name,code) not in self.save_dict :
conn.send("Available".encode(self.FORMAT))
msg1 = self.recieve(conn)
if msg1 == "Game Data" :
game_data = conn.recv(5000)
#msg = pickle.loads(msg_data)
self.save_dict[(name,code)] = game_data
print(self.save_dict)
conn.send("Success".encode(self.FORMAT))
else :
conn.send("Exists".encode(self.FORMAT))
msg1 = self.recieve(conn)
if msg1 == "Game Data" :
game_data = conn.recv(5000)
self.save_dict[(name,code)] = game_data
conn.send("Success".encode(self.FORMAT))
elif msg == "Wipe" :
self.save_dict.pop((name,code))
print(f"new dict is ",self.save_dict)
elif msg == "Load" :
player_id = conn.recv(5000)
try :
name,code = pickle.loads(player_id)
except EOFError :
pass
if (name,code) in self.save_dict :
conn.send("Present".encode(self.FORMAT))
conn.send(self.save_dict[(name,code)])
else :
conn.send("Absent".encode(self.FORMAT))
elif msg == "Check Data" :
player_id = conn.recv(5000)
try :
name,code = pickle.loads(player_id)
except EOFError :
pass
if (name,code) in self.save_dict :
conn.send("Exists".encode(self.FORMAT))
else :
conn.send("New".encode(self.FORMAT))
self.file_dump()
except ConnectionResetError :
connected = False

conn.close()
print(f"[Terminated] connection terminated for {addr}")


def start(self):
self.server.listen()
print(f"[LISTENING] Server is listening on {self.SERVER}")
while True:
conn, addr = self.server.accept()
thread = threading.Thread(target=self.handle_client, args=(conn, addr))
thread.start()
print(f"[ACTIVE CONNECTIONS] {threading.activeCount() - 1}")


print("[STARTING] server is starting...")
server = Server()
server.start()



Ive used the socket package to run a server on my local network.

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