With FF15 on Win7, when I click a Google Reader link (that open in a new tab when clicked, target="_blank" style), the new tab opens for a second, then closes.
The tab will not crash if I right-click, open in new tab, or middle click. Other sites with target="_blank" seem to be ok with left click (Google+ links for example). But Google Reader links seem to be completely broken.
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Seems to be an adblock plus issue in my case. When I disable adblock it never happens. When I enable it this occurs on most links on google, twitter or reddit. Somehow seems them as pop ups I guess. Probably will have to fiddle with adblock plus.
I have several filter subscriptions and the issue seems to be with fanboy's list. Easylist, etc work fine. I ticked off fanboy and everything works fine.
Thanks @dandique, worked fine for me!