new openens tab, then close, error 501

Impossible to go to web pages. says error 501 404 missing. Go to Explorer and it market what do I need to fix firefox

If a tab closed by itself after its launch, this may be caused by a script on the page or a pop up late or adblocker, thinking it's a junk page. Can you check your extensions to what it is in the same direction and check its Options button? In addition, if you have not updated the extensions for a while, it's worth a try.

Firefox orange (or the Tools menu) button > addons > Extensions category

Firefox orange (or the Tools menu) button > Add ons > ' gear' icon > check updates

Tags: Firefox

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