Add-ons Blocklist

This page lists blocklisted add-ons that should no longer be used with Mozilla products.

  • Internet Download Manager, v2.1-3.3 for Firefox 3.0a1 and newer. Reason: caused startup crashes (see bug 382356).
  • Free Download Manager, v1.0-1.3.1 for Firefox 3.0a1 and newer. Reason: high crash volume (see bug 408445).
  • Yahoo Application State Plugin, v1.0.0.5 and older for Firefox 3.0a1 and newer. Reason: high crash volume (see bug 419127).
  • Vietnamese Language Pack, v2.0 for all applications. Reason: corrupted files (see bug 432406).
  • Apple QuickTime Plugin, v7.1.*, for all Firefox 3 versions on Windows. Reason: remote code execution in multiple versions (see bug 430826).
  • Crawler Toolbar, for Firefox 3.0a1 and newer. Reason: high crash volume (see bug 441649).
  • Daemon Tools Toolbar, versions older than 1.0.0.5, for all applications. Reason: high crash volume (see bug 459850).
  • AVG SafeSearch, versions older than 8.0, for Firefox 3.1a1 and newer. Reason: breaks a core navigation method (see bug 479095).
  • Skype extension, versions older than 3.3.0.3971, for all versions of Firefox. Reason: high crash volume and other stability issues (see bug 448768). Users should update Skype.