On Mon, Nov 24, 2014 at 6:03 PM, Mark LaPierre <marklapier at gmail.com> wrote: > Hey All, > > Has anyone had trouble with Firefox/Thunderbird? > > When I log on if I start Thunderbird first then I can't start Firefox. > Clicking on a link in an email fails to start Firefox. > > If I start Firefox before Thunderbird then hyperlinks in emails open a > page in the existing Firefox instance. > > Other users on this same machine are having the same problems. > > This has been happening for that last several days. > > CentOS release 6.6 (Final) Apparently you are affected by this bug: https://bugzilla.redhat.com/show_bug.cgi?id=1166921 (Thanks to a post by Phil Wyett on the Scientific Linux mailing list regarding the bug report.) Try downgrading nss-softokn to 3.14.3-17.el6 to 'fix' the issue. Hopefully a patched version is released upstream soon. Akemi