← Problems

Avast ends Firefox extension support, breaking it

Avast ended support for its Firefox extension, so it stops working for Firefox users who still want it.

Tier I · Proven The best-established problems.

8 public reports · first reported 19 May 2024 · last reported 18 April 2026

Idea report · $19 · No contacts · All sales final

See a sample idea report

What's going wrong

Avast stopped supporting its Online Security and Privacy add-on for Firefox while still supporting Chromium browsers.

AI-assisted: written with the help of AI from the reports. The idea report has the full summary.

In the idea report

  • The full summary.
  • The products the 8 reports are about, and how many came each month.
  • Related problems.

No business has been found with this problem yet, so the report has no contacts. All sales are final — no refunds. Pricing.