Exported Firefox themes fail to install
Exported theme files fail to install in Firefox, which reports them as corrupt or broken.
Tier I · Proven The best-established problems.
10 public reports · first reported 3 August 2020 · last reported 4 August 2025
What's going wrong
People who design a theme in the Firefox Color add-on and export it report that the file will not install.
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 10 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.