diff --git a/src/undetected_chromedriver/__init__.py b/src/undetected_chromedriver/__init__.py
index dcf1a26..b78f60e 100644
--- a/src/undetected_chromedriver/__init__.py
+++ b/src/undetected_chromedriver/__init__.py
@@ -471,7 +471,7 @@ class Chrome(selenium.webdriver.chrome.webdriver.WebDriver):
             self.patcher.executable_path
         )
 
-        super(Chrome, self).__init__(
+        super().__init__(
             service=service,
             options=options,
             keep_alive=keep_alive,
@@ -727,10 +727,8 @@ class Chrome(selenium.webdriver.chrome.webdriver.WebDriver):
     def start_session(self, capabilities=None, browser_profile=None):
         if not capabilities:
             capabilities = self.options.to_capabilities()
-        super(selenium.webdriver.chrome.webdriver.WebDriver, self).start_session(
-            capabilities
-        )
-        # super(Chrome, self).start_session(capabilities, browser_profile)
+        super().start_session(capabilities)
+        # super(Chrome, self).start_session(capabilities, browser_profile) # Original explicit call commented out
 
     def find_elements_recursive(self, by, value):
         """
diff --git a/src/undetected_chromedriver/patcher.py b/src/undetected_chromedriver/patcher.py
index e8a0e96..a1dd66a 100644
--- a/src/undetected_chromedriver/patcher.py
+++ b/src/undetected_chromedriver/patcher.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 # this module is part of undetected_chromedriver
 
-from distutils.version import LooseVersion
+from packaging.version import Version as LooseVersion
 import io
 import json
 import logging
@@ -12,6 +12,7 @@ import random
 import re
 import shutil
 import string
+import subprocess
 import sys
 import time
 from urllib.request import urlopen
@@ -373,10 +374,31 @@ class Patcher(object):
         """
         exe_name = os.path.basename(exe_name)
         if IS_POSIX:
-            r = os.system("kill -f -9 $(pidof %s)" % exe_name)
+            # Using shell=True for pidof, consider a more robust pid finding method if issues arise.
+            # pgrep can be an alternative: ["pgrep", "-f", exe_name]
+            # Or psutil if adding a dependency is acceptable.
+            command = f"pidof {exe_name}"
+            try:
+                result = subprocess.run(command, shell=True, capture_output=True, text=True, check=True)
+                pids = result.stdout.strip().split()
+                if pids:
+                    subprocess.run(["kill", "-9"] + pids, check=False) # Changed from -f -9 to -9 as -f is not standard for kill
+                    return True
+                return False # No PIDs found
+            except subprocess.CalledProcessError: # pidof returns 1 if no process found
+                return False # No process found
+            except Exception as e:
+                logger.debug(f"Error killing process on POSIX: {e}")
+                return False
         else:
-            r = os.system("taskkill /f /im %s" % exe_name)
-        return not r
+            try:
+                # TASKKILL /F /IM chromedriver.exe
+                result = subprocess.run(["taskkill", "/f", "/im", exe_name], check=False, capture_output=True)
+                # taskkill returns 0 if process was killed, 128 if not found.
+                return result.returncode == 0
+            except Exception as e:
+                logger.debug(f"Error killing process on Windows: {e}")
+                return False
 
     @staticmethod
     def gen_random_cdc():