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PDF Files Display as Blank in Firefox – Request for Investigation and Resolution

Dear Firefox Support Team, I am encountering an issue where PDF files fail to display properly in Firefox, appearing as blank pages. This problem persists across multipl… (xem thêm)

Dear Firefox Support Team,

I am encountering an issue where PDF files fail to display properly in Firefox, appearing as blank pages. This problem persists across multiple PDF documents, suggesting a potential browser compatibility or configuration issue.

Request:

   Please investigate this behavior to identify the root cause (e.g., rendering engine, plugin settings, or recent updates).
   Adjust Firefox’s default PDF handling settings or implement necessary fixes to ensure proper PDF display.

Additional Details:

   Firefox Version: All
   OS: windows&mac
   File link: https://res.mdpi.com/data/pharmaceuticals-18-00847-v4.pdf
   Steps to Reproduce: Open any PDF file → Blank page appears.

This issue impacts productivity and user experience. Kindly prioritize resolving it or provide workarounds. Thank you for your attention.

Best regards, Mia Yu meijuan.yu@mdpi.com/1036926860@qq.com

Được hỏi bởi 1036926860 3 giờ trước

Lần cuối trả lời bởi TyDraniu 1 giờ trước

Status bar not hiding in fullscreen video after updating to Firefox 138.0.1 (64-bit) on Windows

Hello, I recently updated my Firefox browser to the latest version, 138.0.1 (64-bit), on Windows. After the update, I noticed that when playing videos in fullscreen mod… (xem thêm)

Hello,

I recently updated my Firefox browser to the latest version, 138.0.1 (64-bit), on Windows.

After the update, I noticed that when playing videos in fullscreen mode (for example, on YouTube or other video websites), the Windows taskbar (the bar at the bottom of the screen with the Start menu icon) does not hide automatically. This is affecting my fullscreen viewing experience.

Before updating to version 138.0.1, the Windows taskbar would hide correctly when entering fullscreen video.

I was wondering if anyone else has encountered a similar issue with the Windows taskbar not hiding, or if there are any suggested solutions to help resolve this problem.

Thank you for your help!

Được hỏi bởi krave 1 tháng trước

Lần cuối trả lời bởi Kiki 7 giờ trước

How can I remove a custom background image from the Firefox homepage and new tab page?

Hi, I recently set a custom background image for the Firefox new tab page (and possibly the homepage), but now I’d like to remove or replace it. I’ve already tried: … (xem thêm)

Hi,

I recently set a custom background image for the Firefox new tab page (and possibly the homepage), but now I’d like to remove or replace it.

I’ve already tried:

   Going to about:config and enabling the following:
       browser.newtabpage.activity-stream.newtabWallpapers.customWallpaper.enabled → true
       browser.newtabpage.activity-stream.newtabWallpapers.ui.enabled → true
   Searching for a gear icon or any UI options on the new tab or homepage – but nothing appears.

I also checked about:preferences#home but there are no visible options to manage background images.

How can I remove or change the custom background image? I’d appreciate instructions, config paths, or a file location where I can delete the image manually.

Thank you! p.s. I'm stuck with a background image that makes my shortcuts unreadable and it's driving me crazy. 😅

Được hỏi bởi Svetlana Soskic 1 ngày trước

Lần cuối trả lời bởi jscher2000 - Support Volunteer 7 giờ trước

how to stop the location window from repeatably popping up

All of a sudden the allow location permission window is popping up repeatably. I have the option turned off and every time I go to Amazon or Home Depot or any such place… (xem thêm)

All of a sudden the allow location permission window is popping up repeatably. I have the option turned off and every time I go to Amazon or Home Depot or any such place the window ops up requesting that location location tracing for the sites. I tried toggling the on/off for the option but it didn't stop it. Help!

Được hỏi bởi John Soulvie 3 tháng trước

Lần cuối trả lời bởi jscher2000 - Support Volunteer 13 giờ trước

Not able to change desktop background photo since today's Firefox update

Hello: When I signed into my computer this morning, a pop-up asked me if I wanted Firefox to update. I let it do that, and then a pop-up came up letting choose among so… (xem thêm)

Hello:

When I signed into my computer this morning, a pop-up asked me if I wanted Firefox to update. I let it do that, and then a pop-up came up letting choose among some photos and art for a desktop background. It even let me upload a photo of mine. I chose one of yours, now I can't change to any other photo I have on my computer. Please help.

Thank you,

Cynthia M.

Được hỏi bởi clmcda63 1 ngày trước

Lần cuối trả lời bởi Denys 22 giờ trước