Hi! So, i`m getting too tired in a problem which I cant open my app 
executable in linux with a double click, but it works perfectly when go to 
terminal /dist folder and type ./app
Actually I tried everything I had found in internet, but none of the 
worked. I tried the when-things-go-wrong.html but it didn't helped me too.

I`m building an app to change the size of a Virtual Machine in Virtual Box. 
It get the .VDI file and edit it to the size which I want. The app works 
fine, it have no problems.
When I run: python3 -m PyInstaller --onefile --hidden-import=tkinter 
resizer_linux.py
---------------------START-------------------------
27 INFO: PyInstaller: 4.0
27 INFO: Python: 3.8.6
34 INFO: Platform: Linux-5.9.0-1-amd64-x86_64-with-glibc2.29
34 INFO: wrote 
/home/mrminetoons/Documents/Projetos/Python/SoftgranResizerVM/Resizer 
Linux/resizer_linux.spec
37 INFO: UPX is not available.
38 INFO: Extending PYTHONPATH with paths
['/home/mrminetoons/Documents/Projetos/Python/SoftgranResizerVM/Resizer 
Linux',
 '/home/mrminetoons/Documents/Projetos/Python/SoftgranResizerVM/Resizer 
Linux']
42 INFO: checking Analysis
42 INFO: Building Analysis because Analysis-00.toc is non existent
42 INFO: Initializing module dependency graph...
43 INFO: Caching module graph hooks...
47 INFO: Analyzing base_library.zip ...
1760 INFO: Processing pre-find module path hook distutils from 
'/home/mrminetoons/.local/lib/python3.8/site-packages/PyInstaller/hooks/pre_find_module_path/hook-distutils.py'.
1760 INFO: distutils: retargeting to non-venv dir '/usr/lib/python3.8'
3453 INFO: Caching module dependency graph...
3529 INFO: running Analysis Analysis-00.toc
3558 INFO: Analyzing 
/home/mrminetoons/Documents/Projetos/Python/SoftgranResizerVM/Resizer 
Linux/resizer_linux.py
3574 INFO: Processing module hooks...
3575 INFO: Loading module hook 'hook-xml.etree.cElementTree.py' from 
'/home/mrminetoons/.local/lib/python3.8/site-packages/PyInstaller/hooks'...
3575 INFO: Loading module hook 'hook-sysconfig.py' from 
'/home/mrminetoons/.local/lib/python3.8/site-packages/PyInstaller/hooks'...
3580 INFO: Loading module hook 'hook-lib2to3.py' from 
'/home/mrminetoons/.local/lib/python3.8/site-packages/PyInstaller/hooks'...
3591 INFO: Loading module hook 'hook-xml.py' from 
'/home/mrminetoons/.local/lib/python3.8/site-packages/PyInstaller/hooks'...
3645 INFO: Loading module hook 'hook-_tkinter.py' from 
'/home/mrminetoons/.local/lib/python3.8/site-packages/PyInstaller/hooks'...
3692 INFO: checking Tree
3693 INFO: Building Tree because Tree-00.toc is non existent
3693 INFO: Building Tree Tree-00.toc
3697 INFO: checking Tree
3697 INFO: Building Tree because Tree-01.toc is non existent
3697 INFO: Building Tree Tree-01.toc
3698 INFO: Loading module hook 'hook-encodings.py' from 
'/home/mrminetoons/.local/lib/python3.8/site-packages/PyInstaller/hooks'...
3727 INFO: Loading module hook 'hook-distutils.py' from 
'/home/mrminetoons/.local/lib/python3.8/site-packages/PyInstaller/hooks'...
3736 INFO: Looking for ctypes DLLs
3756 INFO: Analyzing run-time hooks ...
3759 INFO: Including run-time hook 
'/home/mrminetoons/.local/lib/python3.8/site-packages/PyInstaller/hooks/rthooks/pyi_rth_multiprocessing.py'
3761 INFO: Including run-time hook 
'/home/mrminetoons/.local/lib/python3.8/site-packages/PyInstaller/hooks/rthooks/pyi_rth__tkinter.py'
3766 INFO: Looking for dynamic libraries
4169 INFO: Looking for eggs
4169 INFO: Python library not in binary dependencies. Doing additional 
searching...
4200 INFO: Using Python library /lib/x86_64-linux-gnu/libpython3.8.so.1.0
4204 INFO: Warnings written to 
/home/mrminetoons/Documents/Projetos/Python/SoftgranResizerVM/Resizer 
Linux/build/resizer_linux/warn-resizer_linux.txt
4226 INFO: Graph cross-reference written to 
/home/mrminetoons/Documents/Projetos/Python/SoftgranResizerVM/Resizer 
Linux/build/resizer_linux/xref-resizer_linux.html
4233 INFO: checking PYZ
4233 INFO: Building PYZ because PYZ-00.toc is non existent
4233 INFO: Building PYZ (ZlibArchive) 
/home/mrminetoons/Documents/Projetos/Python/SoftgranResizerVM/Resizer 
Linux/build/resizer_linux/PYZ-00.pyz
4577 INFO: Building PYZ (ZlibArchive) 
/home/mrminetoons/Documents/Projetos/Python/SoftgranResizerVM/Resizer 
Linux/build/resizer_linux/PYZ-00.pyz completed successfully.
4579 INFO: checking PKG
4579 INFO: Building PKG because PKG-00.toc is non existent
4579 INFO: Building PKG (CArchive) PKG-00.pkg
8108 INFO: Building PKG (CArchive) PKG-00.pkg completed successfully.
8112 INFO: Bootloader 
/home/mrminetoons/.local/lib/python3.8/site-packages/PyInstaller/bootloader/Linux-64bit/run
8112 INFO: checking EXE
8112 INFO: Building EXE because EXE-00.toc is non existent
8112 INFO: Building EXE from EXE-00.toc
8112 INFO: Appending archive to ELF section in EXE 
/home/mrminetoons/Documents/Projetos/Python/SoftgranResizerVM/Resizer 
Linux/dist/resizer_linux
----------------------------------END----------------------------------------

It compile fine, no problem with modules or whatever. I can type 
./resizer_linux and it open the app with no problems, the app works fine!
Also, my executable already have the flag for executable permissions!
It give-me no log erros... It just doesnt open with double click(No errors 
message, app working in terminal...)

My Code: 
#!/usr/bin/env python3
import os
import sys
from pathlib import Path
clear = lambda: os.system('clear')

if sys.version_info[0] < 3:
    print("Por favor utilize a versao mais recente de python!")
    exit()
else:
    # Python3
    import tkinter as tk
    from tkinter import filedialog
    pass

def automatico_manual():
    clear()
    print("BEM VINDO!!  Por favor, leia os avisos!")
    print("\nAviso 1: Este aplicativo serve para alterar o tamanho total da 
sua maquina virtual, e esta versao é funcional apenas para: \n- Linux 
Debian ou Derivados\n- Imagem VDI")
    print("\nAviso 2: Apos alterar para um tamanho a maquina virtual, ela 
nao pode mais ser 'diminuida', por isso tenha cuidado!\n EX: Se voce 
colocar 100 GB na VM, depois nao conseguira colocar 50GB, os valores 
validos serao apenas >= 100\n")
    automatico_ou_manual = input("Voce quer selecionar manualmente o local 
da sua .vdi ou ela esta na pasta padrao de VMS?\n1 - Manualmente\n2 - 
Automatico(Padrao, deve ser usado de preferencia)\n\nSua escolha: ")
    if automatico_ou_manual == '1':
        clear()
        print("Entrando no modo manual....")
        root = tk.Tk()
        root.withdraw()
        print("Por favor, selecione o caminho onde esta sua .VDI do 
virtualbox")
        caminho_da_vdi = filedialog.askopenfilename()
        print("Caminho da VDI:", caminho_da_vdi)
        perguntas(caminho_da_vdi)
    else:
        prucura_pastas_virtualbox()

def prucura_pastas_virtualbox(): #Procura o diretorio do Virtual Box
    clear()
    print("Metodo automatico iniciado...")
    home = str(Path.home())
    caminho_pasta_virtualbox_linux = home + "/VirtualBox VMs/" #Caminho das 
VMS
    print("\nEstou navegando agora no diretorio: ", 
caminho_pasta_virtualbox_linux)
    print("Abaixo estao as pastas das suas maquinas virtuais, os nomes sao 
iguais aos que aparecem no aplicativo do Virtual Box: \n")
    dicionario_da_pasta = [] #Cria o dicionario
    i = 0  #Contador das pastas
    for pastas in os.listdir(caminho_pasta_virtualbox_linux):
        i += 1  #soma mais 1 ao contador
        pasta_com_barra = pastas + "/"
        dicionario_da_pasta.insert(i, pasta_com_barra)
        print(i, " - ", pastas)

    numero_da_vm = input("\nDigite o ID da VM que deseja alterar o 
tamanho\nEX: 3\nSua escolha: ")
    contador_de_vm_INT = int(numero_da_vm) - 1
    #dicionario_da_pasta[diretorio_da_vm] EH O NOME DA PASTA SELECIONADA
    diretorio_da_vm = caminho_pasta_virtualbox_linux + 
dicionario_da_pasta[contador_de_vm_INT] #algo semelhante a 
/home/mrminetoons/VirtualBox VMs/win7VM
    print(diretorio_da_vm)
    procura_vdi(diretorio_da_vm)

def procura_vdi(diretorio_da_vm): #Procura a .vdi dentro do diretorio do 
Virtual Box
    clear()
    os.chdir(diretorio_da_vm)
    for entry in os.listdir(diretorio_da_vm):  #Lista tudo dentro do 
diretorio
        if entry.endswith('.vdi'):       #Filtra apenas as .vdi do 
diretorio listado
            clear()
            print("Caminho escolhido: ", diretorio_da_vm)
            print("VDI Encontrada: ",entry)
            perguntas(entry)          #Chama o Questionario
        else:
            print("\nNao pude encontrar sua .vdi nesta pasta! Verifique se 
esta na pasta correta!")
    exit()

def perguntas(nome_da_vdi):        #Pergunta quantidade de GB que vai usar
    tamanho_da_vdi = input("\nAviso: O valor aqui se refere ao tamanho 
TOTAL da sua maquina virtual!\nDigite o tamanho da sua maquina virtual em 
GB\nEX: 100\nTamanho desejado: ")
    tamanho_vdi_GB = int(tamanho_da_vdi) * 1024
    resizer(nome_da_vdi, tamanho_vdi_GB, tamanho_da_vdi)

def resizer(nome_da_vdi, tamanho_vdi_GB, tamanho_da_vdi):   #Faz o trabalho 
de alterar o valor de GB da VDI
    clear()
    print("Nome da VM selecionada: ", nome_da_vdi)
    print("Novo Tamanho a ser alocado na VM:", tamanho_da_vdi, "GB")
    resposta = input("\nVoce tem certeza que deseja realizar esta 
operacao(S/N)?\n")
    if resposta.lower() == "s":
        print("\n")
        string_oq_fazer = 'VBoxManage modifyhd "{0}" --resize 
{1}'.format(nome_da_vdi, tamanho_vdi_GB)
        os.system(string_oq_fazer)
        print("\nCaso a mensagem acima seja uma porcentagem de 0% -> 100% 
significa que deu tudo certo!\nCaso contrario o Virtual Box retornou o erro 
acima! ")
        print("\nPorem voce ainda nao terminou! No seu windows, procure 
pela ferramente chamada 'Criar e Formatar Particoes do Disco 
Rigido'\nClique no disco C com o botao direito e selecione 'Estender 
Volume' entao clique em Avancar.\nPronto! :)")
        input("Finalizando... Pressione qualquer botao para sair...")
        exit()
    else:
        print("Voce cancelou a operacao, saindo...")
        exit()

if __name__ == "__main__":
    automatico_manual()
else:
    automatico_manual()
----------------------------------------------------------------------------END--------------------------------------------------------------------
Is it any problem with 'if __name__ == "__main__":
                                             automatico_manual()
                                       else:
                                             automatico_manual()'
?

My Linux: Debian GNU/Linux bullseye/sid
My Python Version: 3.8.6
My PyInstaller Version: 4.0
My GNOME Version: 3.38.1

If I generate the app in Windows, and open the executable, it works fine, 
open with double click! 

I appreciate any help!! Please!! Thanks!! :D

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