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If you enter "about:config" as url, please look for an option called: network.protocol-handler.app.apt with the value: /usr/bin/apturl Is this existing? If so, what does 'ls -la /usr/bin/apturl' say? ** Changed in: firefox-3.0 (Ubuntu) Status: New => Incomplete -- apt:// URL in Firefox does not launch package manager https://bugs.launchpad.net/bugs/257301 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs