Blocked confirmations on website; now website doesn't work.
I was using Lightspeed today, and the website pops up a confirmation dialog box (probably through JavaScript) so that you can confirm that you want to do a specific action. I got annoyed with the dialog and clicked the included "Don't allow this website to show prompts anymore" box when I hit OK. But now it won't perform any action that requires you to hit the OK in the prompt, so I need to make the dialogs come back so I can do my job. I can't find any setting anywhere in the browser that I have actually disabled or changed by hitting the box in that prompt.
ప్రత్యుత్తరాలన్నీ (2)
I think that is temporary and the site will be unblocked the next time you restart Firefox. It's possible there is another way to do it, but it's a little hard for me to re-create the scenario. What if you check the icons at the left end of the address bar -- is there anything to the right of the lock icon that looks like it could be related to those confirmation prompts?
If it doesn't come back, you can use the page info window which you get while on the site with ctl+i. On the permissions tab try setting open pop-up windows to Allow.