Firefox doesn't know how to open this address, because the protocol (mms) isn't associated with any program.

[milos]

Firefox doesn't know how to open this address, because the protocol (mms) isn't associated with any program.

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: firefox 6.0+build1+nobinonly-0ubuntu0.11.04.1
ProcVersionSignature: Ubuntu 2.6.38-11.48-generic 2.6.38.8
Uname: Linux 2.6.38-11-generic i686
Architecture: i386
Date: Sat Aug 20 21:36:47 2011
FirefoxPackages:
 firefox 6.0+build1+nobinonly-0ubuntu0.11.04.1
 flashplugin-installer 10.3.183.4ubuntu0.11.04.1
 adobe-flashplugin N/A
 icedtea-plugin N/A
InstallationMedia: Zorin OS 5 32 bit - Release i386
ProcEnviron:
 LANGUAGE=en_US:en
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: firefox
UpgradeStatus: No upgrade log present (probably fresh install)

[Chris Coulson (chrisccoulson)]

Not a firefox bug. It's just telling you that no application installed on the system says it supports that protocol (by declaring x-scheme-type/mms in its desktop file)