OSError: [WinError 193] %1 is not a valid Win32 application

[agaertner]

[ERROR] [Planner.py-4]: exception occurred while executing process:
Traceback (most recent call last):
  File "F:\ros2\ros2_humble\install\Lib\site-packages\launch\actions\execute_local.py", line 546, in __execute_process
    transport, self._subprocess_protocol = await async_execute_process(
  File "F:\ros2\ros2_humble\install\Lib\site-packages\osrf_pycommon\process_utils\async_execute_process_asyncio\impl.py", line 135, in async_execute_process
    transport, protocol = await _async_execute_process_pty(
  File "F:\ros2\ros2_humble\install\Lib\site-packages\osrf_pycommon\process_utils\async_execute_process_asyncio\impl.py", line 45, in _async_execute_process_nopty
    transport, protocol = await loop.subprocess_exec(
  File "c:\python38\lib\asyncio\base_events.py", line 1630, in subprocess_exec
    transport = await self._make_subprocess_transport(
  File "c:\python38\lib\asyncio\windows_events.py", line 385, in _make_subprocess_transport
    transp = _WindowsSubprocessTransport(self, protocol, args, shell,
  File "c:\python38\lib\asyncio\base_subprocess.py", line 36, in __init__
    self._start(args=args, shell=shell, stdin=stdin, stdout=stdout,
  File "c:\python38\lib\asyncio\windows_events.py", line 881, in _start
    self._proc = windows_utils.Popen(
  File "c:\python38\lib\asyncio\windows_utils.py", line 153, in __init__
    super().__init__(args, stdin=stdin_rfd, stdout=stdout_wfd,
  File "c:\python38\lib\subprocess.py", line 854, in __init__
    self._execute_child(args, executable, preexec_fn, close_fds,
  File "c:\python38\lib\subprocess.py", line 1307, in _execute_child
    hp, ht, pid, tid = _winapi.CreateProcess(executable, args,
OSError: [WinError 193] %1 is not a valid Win32 application

I am getting this error in all my ROS packages. Research suggest that shell has to be explicitely passed in a subprocess call, but none of my packages actually do this call but the logs always reference osrf_pycommon so I am posting it here for awareness.
Ref. https://stackoverflow.com/questions/25651990/oserror-winerror-193-1-is-not-a-valid-win32-application