FG

Prevent Initial Add-On Check in Firefox

Fresh3 days ago
Mar 15, 2026255 views
Confidence Score0%
0%

Problem

How do I prevent (or rather disallow) Firefox to check for newer versions of add-ons and themes and plug-ins before it starts up. Since I am on a proxy connection, I get a dozen proxy password boxes every time I start Firefox. This also seems to make Firefox load more slowly.

Unverified for your environment

Select your OS to check compatibility.

1 Fix

Canonical Fix
Unverified Fix
New Fix – Awaiting Verification

Fix for: Prevent Initial Add-On Check in Firefox

Low Risk

Tools -> Options -> Advanced Go to the "Update" tab and where it says "Automatically check for updates to:", uncheck: Firefox Installed add-ons

Awaiting Verification

Be the first to verify this fix

Sign in to verify this fix

Environment