as the title says, python 3.10 doesn't find GetWindowThreadProcessId() in the win32process library. I've taken a while to search for this error but it seems to work for everyone else. I am running my code within a python 3.10 venv created by pycharm. I installed the Libraries today from within the venv. My program is the following (it tries to get some details of the current foreground window): import win32gui import win32process import psutil import time from datetime import datetime last_window = None while True: try: hwnd = win32gui.GetForegroundWindow() if hwnd != last_window: last_window = hwnd # here is the problem, this doesn't deem to exist for my python tid, pid = win32process.GetWindowThreadProcessId(hwnd) proc = psutil.Process(pid) window_title = win32gui.GetWindowText(hwnd) timestamp = datetime.now().strftime("%Y-%m-%d %H:%M:%S") print(f"[{timestamp}] Focus switched to PID {pid} ({proc.name()}) - '{window_title}'") except Exception as e: print(f"Error: {e}") time.sleep(0.005) # checks every 50ms Continue reading...