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I've been a happy user of NoScript (in Firefox) for a few months now, but since yesterday I can't open Firefox anymore without getting a NoScript error. Not an error message though: instead of an empty Firefox tab opening, I get a screen with a blue shaded background that I recognize from NoScript pop-ups, with the NoScript logo (blue S with eyes and teeth) in the top right corner, and two checkboxes in the middle of the screen (a round and a square one) as well as an "OK" and "cancel" button near the bottom. I can check and uncheck the square box, only check (not uncheck) the round box, while tapping the "OK" and "cancel" buttons doesn't do anything.

Any idea what's going on? Should I re-install Firefox and NoScript or is there anything else I can do before I do that?

To clarify, here is a screenshot.

Since my previous post doesn't show the screenshot I uploaded, let's try again:

What version of FF?
What version of NoScript?

What is that screen we're looking at?

Any change if you disable all extensions except for NoScript?

therube wrote:What version of FF?
What version of NoScript?

What is that screen we're looking at?

Any change if you disable all extensions except for NoScript?

This is the screen that I get when I open Firefox. Since I can't access anything, I can't check versions of FF or NoScript. But I have those on auto-update so they should be the latest versions. I can't disable any extensions, all the option buttons and extension icons I normally see in the topright corner of FF are gone/not visible.

The screen reminds me of a NoScript pop-up screen I got when it warned me of some script trying to pass data (phone number I entered into a field) to another website.

therube wrote:What version of FF?
What version of NoScript?

What is that screen we're looking at?

Any change if you disable all extensions except for NoScript?

Hovering over Firefox.exe gave me the file version: 62.0.3.6848

To further clarify: I'm accessing this forum through Internet Explorer, since I can't use Firefox.

Start FF in Safe Mode & see what that does.

http://kb.mozillazine.org/Safe_mode

What page(s) do you have Firefox set to load on startup?

barbaz wrote:What page(s) do you have Firefox set to load on startup?

Most important question so far.

Giorgio Maone wrote:

barbaz wrote:What page(s) do you have Firefox set to load on startup?

Most important question so far.

Thank you, that's what I needed. I have it on "restore previous session", and I guess my previous sessions where just NoScript pop-ups (probably having closed the browser before closing the pop-ups).

So now while in Safe Mode -- which got me the same pop-up screen but without the blue NoScript background and logo, since extensions are disabled in Safe Mode -- I hit Ctrl+N for New Tab, and voila! A new tab appears in a new window like I'd expect.

I'm not sure if I tried hitting Ctrl+N for New Tab while in 'normal' mode yesterday, so can't comment on if that'd have worked as well.

Thanks for your help!