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Downloading documents from sites creates numerous new tabs one after another and doesn't stop adding tabs until I close Firefox?

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I updated Firefox (to 76.0 64bit) to see if that would fix it, also rebooted my computer as well. Still did the same thing.

I updated Firefox (to 76.0 64bit) to see if that would fix it, also rebooted my computer as well. Still did the same thing.

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You get tabs opening endlessly if you select Firefox as the application to handle a file when you get an "Open with" dialog.

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Is there a particular website you are having issues with? If it's a specific website, it would helpful if you could provide a link to the website(s). Even if it isn't a specific website issue, it would be beneficial to provide a link to at least one website where you experience the issue.

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Chosen Solution

You get tabs opening endlessly if you select Firefox as the application to handle a file when you get an "Open with" dialog.

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Thank you! I had selected when opening PDF files in Firefox to "Always use" when opening these files. I changed it according to recommendations at the link provided and went back and check it on both websites that I encountered the problem (downloading .pdf statements). Much appreciated.