Windows 10 已于2025年10月14日停止支持。如果您正在使用 Windows 10,参见 这篇文章

Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

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I'm having trouble with FF HTML downloaded files and now it looks like FF has changed all my previous PDF files on my computer to FF HTML files. Help

philipp 已回复
Klee72

It looks like now, a week after I started to use Firefox (FF) I can't down load PDF files as PDF files. It was working fine last week and now it isn't. FF is changing my downloaded PDF's to HTML and it looks like FF has gone into all of my folders and started changing the documents from PDF to FF HTML.

It looks like now, a week after I started to use Firefox (FF) I can't down load PDF files as PDF files. It was working fine last week and now it isn't. FF is changing my downloaded PDF's to HTML and it looks like FF has gone into all of my folders and started changing the documents from PDF to FF HTML.

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hello Klee72, does it work when you go into the acrobat reader > edit > preferences > general & click on the default application option at the bottom? in there reselect adobe's application and confirm this selection...