I keep getting this error "JavaScript Application Error: Permission denied to access property 'host'", mostly appears when using Facebook.
This error mostly pops up when moving between applications on Facebook. It's gotten so frequent and annoying that I'm debating going back to IE.
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It's showing up on pretty much every page that uses JS. Only happens in v4 beta 7 for me.
Which is definitely a problem, as I use Firefox as my main browser, but having this popup error get in the way is definitely a big enough annoyance to make me stay with Chrome, at least for now.
I mean I know it's a beta, but it's the 7th iteration...
The dumbest part is that the error doesn't seem to affect any functionality whatsoever, yet you cannot just hide the window or work from behind it. It's one of those super-in-your-face ones that just keeps giving that general Windows error noise until you press that darn OK button.
I don't even care if the underlying problem gets fixed, since it doesn't seem to matter anyway. I just want the stupid alert out of my way.
disabling/removing the add-on gPDF (v4.01) eliminates the error. I've only tested this on Ubuntu Linux & FFx 4b11. Btw, this thread is a duplicate of :
https://support.mozilla.com/hy-AM/que.../780052#answer-140656