diff --git a/companion.py b/companion.py
index 8866dc9c..c205b765 100644
--- a/companion.py
+++ b/companion.py
@@ -20,7 +20,6 @@ import json
 import numbers
 import os
 import random
-import sys
 import threading
 import time
 import tkinter as tk
@@ -39,7 +38,7 @@ from urllib3.util.retry import Retry
 import config as conf_module
 import killswitch
 import protocol
-from config import config, user_agent
+from config import config, user_agent, IS_FROZEN
 from edmc_data import companion_category_map as category_map
 from EDMCLogging import get_main_logger
 from monitor import monitor
@@ -668,7 +667,7 @@ class Session:
             self.state = Session.STATE_INIT  # Will try to authorize again on next login or query
             self.auth = None
             raise  # Bad thing happened
-        if getattr(sys, 'frozen', False):
+        if IS_FROZEN:
             tk.messagebox.showinfo(title="Authentication Successful",  # type: ignore
                                    message="Authentication with cAPI Successful.\n"
                                            "You may now close the Frontier login tab if it is still open.")
diff --git a/config/__init__.py b/config/__init__.py
index dbd1556f..9f2f3eb3 100644
--- a/config/__init__.py
+++ b/config/__init__.py
@@ -31,6 +31,7 @@ __all__ = [
     "config",
     "get_update_feed",
     "config_logger",
+    "IS_FROZEN",
 ]
 
 import contextlib
@@ -58,6 +59,7 @@ appcmdname = "EDMC"
 _static_appversion = "6.1.2-beta1"
 _cached_version: semantic_version.Version | None = None
 copyright = "© 2015-2019 Jonathan Harris, 2020-2026 EDCD"
+IS_FROZEN = getattr(sys, 'frozen', False)
 
 
 update_interval = 8 * 60 * 60  # 8 Hours
@@ -89,7 +91,7 @@ def git_shorthash_from_head() -> str | None:
 
     :return: str | None: None if we couldn't determine the short hash.
     """
-    if getattr(sys, 'frozen', False) or not os.path.exists(".git"):
+    if IS_FROZEN or not os.path.exists(".git"):
         return None
 
     try:
@@ -126,7 +128,7 @@ def appversion() -> semantic_version.Version:
     if _cached_version is not None:
         return _cached_version
 
-    if getattr(sys, "frozen", False):
+    if IS_FROZEN:
         # Running frozen, so we should have a .gitversion file
         # Yes, .parent because if frozen we're inside library.zip
         with open(
diff --git a/config/windows.py b/config/windows.py
index 947a71a0..99fe2bbe 100644
--- a/config/windows.py
+++ b/config/windows.py
@@ -14,7 +14,7 @@ import uuid
 import winreg
 import datetime
 import tomli_w
-from config import config_logger
+from config import config_logger, IS_FROZEN
 from win32comext.shell import shell
 from typing import Any, TYPE_CHECKING
 
@@ -117,7 +117,7 @@ class WinConfigMinimal:
 def win_helper(config: Config) -> Config:
     """Set Environment Specific Variables for Windows Config."""
     config_logger.debug("Windows environment detected. Setting platform-specific variables.")
-    if getattr(sys, "frozen", False):
+    if IS_FROZEN:
         config.respath_path = pathlib.Path(sys.executable).parent
         config.internal_plugin_dir_path = config.respath_path / "plugins"
     else:
diff --git a/l10n.py b/l10n.py
index 8fc499b5..60180229 100755
--- a/l10n.py
+++ b/l10n.py
@@ -19,7 +19,7 @@ from os import listdir, sep
 from typing import TextIO, cast
 from collections.abc import Iterable
 import pathlib
-from config import config
+from config import config, IS_FROZEN
 from EDMCLogging import get_main_logger
 
 # Note that this is also done in EDMarketConnector.py, and thus removing this here may not have a desired effect
@@ -212,7 +212,7 @@ class Translations:
 
     def respath(self) -> pathlib.Path:
         """Path to localisation files."""
-        if getattr(sys, 'frozen', False):
+        if IS_FROZEN:
             return pathlib.Path(sys.executable).parent.joinpath(LOCALISATION_DIR).resolve()
 
         if __file__:
diff --git a/prefs.py b/prefs.py
index 5223f3ea..84f87569 100644
--- a/prefs.py
+++ b/prefs.py
@@ -17,7 +17,7 @@ from collections.abc import Callable
 import plugin_browser
 import myNotebook as nb  # noqa: N813
 import plug
-from config import appversion_nobuild, config
+from config import appversion_nobuild, config, IS_FROZEN
 from EDMCLogging import edmclogger, get_main_logger
 from hotkey import hotkeymgr
 from l10n import translations as tr
@@ -50,16 +50,15 @@ def open_folder(file: Path) -> None:
 
 def help_open_system_profiler(parent) -> None:
     """Open the EDMC System Profiler."""
-    profiler_path = config.respath_path
+    if IS_FROZEN:
+        cmd = [str(Path(config.respath_path) / 'EDMCSystemProfiler.exe')]
+    else:
+        cmd = [sys.executable, str(Path(config.respath_path) / "EDMCSystemProfiler.py")]
     try:
-        if getattr(sys, 'frozen', False):
-            profiler_path /= 'EDMCSystemProfiler.exe'
-            subprocess.run(profiler_path, check=True)
-        else:
-            subprocess.run(['python', "EDMCSystemProfiler.py"], shell=False, check=True)
+        subprocess.Popen(cmd, shell=False)
     except Exception as err:
         parent.status["text"] = tr.tl("Error in System Profiler")  # LANG: Catch & Record Profiler Errors
-        logger.exception(err)
+        logger.exception(f"Failed to launch System Profiler: {err}")
 
 
 class PrefsVersion: