diff --git a/user.js b/user.js
index 448696a..4526ca1 100644
--- a/user.js
+++ b/user.js
@@ -186,13 +186,17 @@ user_pref("javascript.use_us_english_locale", true); // [HIDDEN PREF]
      to do updates for security reasons, please do so manually if you make changes.
 ***/
 user_pref("_user.js.parrot", "0300 syntax error: the parrot's not pinin' for the fjords!");
-/* 0301b: disable auto-CHECKING for extension and theme updates ***/
-   // user_pref("extensions.update.enabled", false);
-/* 0302a: disable auto-INSTALLING Firefox updates [NON-WINDOWS FF65+]
+/* 0301: disable auto-INSTALLING Firefox updates [NON-WINDOWS FF65+]
  * [NOTE] In FF65+ on Windows this SETTING (below) is now stored in a file and the pref was removed
  * [SETTING] General>Firefox Updates>Check for updates but let you choose to install them ***/
 user_pref("app.update.auto", false);
-/* 0302b: disable auto-INSTALLING extension and theme updates (after the check in 0301b)
+/* 0302: disable auto-INSTALLING Firefox updates via a background service [FF90+] [WINDOWS]
+ * [SETTING] General>Firefox Updates>Automatically install updates>When Firefox is not running
+ * [1] https://support.mozilla.org/en-US/kb/enable-background-updates-firefox-windows ***/
+user_pref("app.update.background.scheduling.enabled", false);
+/* 0303: disable auto-CHECKING for extension and theme updates ***/
+   // user_pref("extensions.update.enabled", false);
+/* 0304: disable auto-INSTALLING extension and theme updates (after the check in 0303)
  * [SETTING] about:addons>Extensions>[cog-wheel-icon]>Update Add-ons Automatically (toggle) ***/
    // user_pref("extensions.update.autoUpdateDefault", false);
 /* 0306: disable extension metadata