diff --git a/undetected_chromedriver/__init__.py b/undetected_chromedriver/__init__.py
index 87ba76a..96f108a 100644
--- a/undetected_chromedriver/__init__.py
+++ b/undetected_chromedriver/__init__.py
@@ -17,11 +17,12 @@ by UltrafunkAmsterdam (https://github.com/ultrafunkamsterdam)
 from __future__ import annotations
 
 
-__version__ = "3.5.1a"
+__version__ = "3.5.2"
 
 import json
 import logging
 import os
+import pathlib
 import re
 import shutil
 import subprocess
@@ -372,6 +373,18 @@ class Chrome(selenium.webdriver.chrome.webdriver.WebDriver):
                 browser_executable_path or find_chrome_executable()
             )
 
+        if not options.binary_location or not \
+                pathlib.Path(options.binary_location).exists():
+                raise FileNotFoundError(
+                    "\n---------------------\n"
+                    "Could not determine browser executable."
+                    "\n---------------------\n"
+                    "Make sure your browser is installed in the default location (path).\n"
+                    "If you are sure about the browser executable, you can specify it using\n"
+                    "the `browser_executable_path='{}` parameter.\n\n"
+                    .format("/path/to/browser/executable" if IS_POSIX else "c:/path/to/your/browser.exe")
+                )
+
         self._delay = 3
 
         self.user_data_dir = user_data_dir
@@ -877,8 +890,6 @@ def find_chrome_executable():
             if item is not None:
                 for subitem in (
                     "Google/Chrome/Application",
-                    "Google/Chrome Beta/Application",
-                    "Google/Chrome Canary/Application",
                 ):
                     candidates.add(os.sep.join((item, subitem, "chrome.exe")))
     for candidate in candidates:
diff --git a/undetected_chromedriver/patcher.py b/undetected_chromedriver/patcher.py
index d7d62b0..4c062f6 100644
--- a/undetected_chromedriver/patcher.py
+++ b/undetected_chromedriver/patcher.py
@@ -111,18 +111,16 @@ class Patcher(object):
         Returns:
 
         """
-        # if self.user_multi_procs and \
-        #         self.user_multi_procs != -1:
-        #     # -1 being a skip value used later in this block
-        #
         p = pathlib.Path(self.data_path)
         if self.user_multi_procs:
             with Lock():
-                files = list(p.rglob("*chromedriver*?"))
-                for file in files:
-                    if self.is_binary_patched(file):
-                        self.executable_path = str(file)
-                        return True
+                files = list(p.rglob("*chromedriver*"))
+                most_recent = max(files, key=lambda f: f.stat().st_mtime)
+                files.remove(most_recent)
+                list(map(lambda f: f.unlink(), files))
+                if self.is_binary_patched(most_recent):
+                    self.executable_path = str(most_recent)
+                    return True
 
         if executable_path:
             self.executable_path = executable_path