Add-on makes Firefox slow and CPU-heavy
The add-on makes Firefox slow or sluggish, with high CPU use that only restarting the browser clears.
Tier II · Emerging Problems that are still building up.
3 public reports · first reported 2 March 2025 · last reported 17 June 2025
What's going wrong
Firefox users report that the LastPass add-on pushes CPU use high, slows the whole browser, and forces them to close and reopen it several times a day.
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 3 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.