Download: Windows Media Player Firefox Plugin:
- Windows XP SP2 (x86)
- Windows XP SP2 (x64)
- Windows Vista (x86)
- Windows Vista (x64)
Installation InstructionsVia Windows Vista Blog
1. Installation of the Windows Media Player Firefox Plugin may require administrative access to your PC. It is recommended that you close all other open browser windows before continuing with the installation.
2. Click the Install button to automatically download and install the Windows Media Player Firefox Plugin.
3. Depending on your security settings, you may see a Security Warning dialog box. Click Install to install the plugin.
Note: There is a known issue if you are using Firefox version 126.96.36.199 on Windows Vista with the installer failing with error code -203. To work around this simply restart Firefox (you will get a notification that Windows Vista will be changing the Firefox compatibility settings) and then install again - the second time should succeed.