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.

Avatar for Username

搜索 | 用户支持

防范以用户支持为名的诈骗。我们绝对不会要求您拨打电话或发送短信，及提供任何个人信息。请使用“举报滥用”选项报告涉及违规的行为。

详细了解
话题已存档。 如果需要帮助请提出新问题。
已存档

Cant open PDF with internal PDF Viewer in Firefox 60.4.0 ESR

Firefox 设置
Klaus 已回复
Klaus
Klaus

Hi everyone,

i use the Firefox 60.4.0 ESR 64bit Version and cant use Firefox to display a PDF internal Viewer. The Setting Option just display: - ask evertime - save the File - Open with Acrobat Reader...

Cant select the option "Display pdf in Firefox".

Could help me with this?

Thanks in advance.

Regards Klaus

Hi everyone, i use the Firefox 60.4.0 ESR 64bit Version and cant use Firefox to display a PDF internal Viewer. The Setting Option just display: - ask evertime - save the File - Open with Acrobat Reader... Cant select the option "Display pdf in Firefox". Could help me with this? Thanks in advance. Regards Klaus

所有回复 (5)

Klaus
Klaus 提问者

See Screenshot

philipp
philipp
  • Moderator

hi, could you check in about:config that "pdfjs.disabled" is set to false?

Klaus
Klaus 提问者

Hi Philipp,

this option is diabled and blocked. How can i disble the block?

Thanks for your help.

Regards KLaus

philipp
philipp
  • Moderator

if this is in a corporate environment you'd have to talk with your it department about this matter - they might intentionally disable the feature through a policy or auto-configuration... https://support.mozilla.org/en-US/products/firefox-enterprise

Klaus
Klaus 提问者

Hi Philipp,

Ok, i will check it if its a setting in our company.

Thanks a lot.

Regard Klaus