I guess it has nothing to do with add-ons. I created a new profile using firefox -ProfileManager. The same problem remains.
I tried running firefox from console. When click the open link or download folder or context menu to open/ open folder, no output on the console. -- Can't open downloaded files https://bugs.launchpad.net/bugs/62442 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
