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Yahoo mail keeps closing in firefox browser

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My yahoo mail keeps closing when I am on firefox which is the browser I use all the time. I have to keep reopening it many time in a day. I am on a pc with windows 10

My yahoo mail keeps closing when I am on firefox which is the browser I use all the time. I have to keep reopening it many time in a day. I am on a pc with windows 10

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This seems to be linked to:

(A) Opening your Yahoo! mail inbox from another Yahoo! page, and (B) Downloading an attachment

Some time after downloading the attachment, a script in the page tries to close it. Normally, that's not allowed, but when the page was opened using a link from Yahoo! itself, it seems to be allowed.

Try starting a new Yahoo! mail tab by pasting https://mail.yahoo.com/ in the address bar and pressing Enter to load your inbox that way. It should be more resistant to closing itself.