Traceback (most recent call last):
  File "/usr/share/tribler/Tribler/dependencies.py", line 42, in _show_system_popup
    import win32api
ModuleNotFoundError: No module named 'win32api'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "run_tribler.py", line 98, in <module>
    check_for_missing_dependencies(scope='both')
  File "/usr/share/tribler/Tribler/dependencies.py", line 75, in check_for_missing_dependencies
    _show_system_popup("Dependencies missing!",
  File "/usr/share/tribler/Tribler/dependencies.py", line 46, in _show_system_popup
    subprocess.Popen(['xmessage', '-center', text])
  File "/usr/lib/python3.8/subprocess.py", line 854, in __init__
    self._execute_child(args, executable, preexec_fn, close_fds,
  File "/usr/lib/python3.8/subprocess.py", line 1702, in _execute_child
    raise child_exception_type(errno_num, err_msg, err_filename)
FileNotFoundError: [Errno 2] No such file or directory: 'xmessage'