I have been loyal to firefox for many years but recently I get very often this annoying problem. I want to see a PDF and instead of appearing in the browser window, it makes it transparent and I see my background. Also when I want to send an image to a whatsapp chat, it appears a blank like the image attached. To correct it temporarily, I have to delete firefox's history and reinit.
Is it possible to correct this annoying bug? Otherwise I will be forced to look for another web browser.
