diff --git a/user.js b/user.js
index 3f803e7..571de19 100644
--- a/user.js
+++ b/user.js
@@ -1318,7 +1318,11 @@ user_pref("permissions.delegation.enabled", false);
 // If a new page from another domain is loaded into a tab, then window.name is set to an empty string. The original
 // string is restored if the tab reverts back to the original page. This change prevents some cross-site attacks ***/
 user_pref("privacy.window.name.update.enabled", true);
-//
+// -------------------------------------
+// Disable bypassing 3rd party extension install prompts [FF82+]
+// https://bugzilla.mozilla.org/buglist.cgi?bug_id=1659530,1681331 ***/
+user_pref("extensions.postDownloadThirdPartyPrompt", false);
+// 
 // >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
 // DOWNLOADS ***/
 // >>>>>>>>>>>>>>>>>>>>>