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Firefox place holder icon has been hijacked

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  • Last reply by cor-el

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I do not know when it happened but I just noticed it today. I have followed all trouble shooting steps; 1. Restart Computer 2. Open in Trouble shooting mode. 3. Uninstall Firefox. 4 Refresh Firefox. Nothing has worked. I took a screen shot and it is attached. When ever I open a new tab this symbol appears for a few seconds and then changes to the icon of what I am opening, G for google, H for HULU etc. I am worried that it is some type of Malware but none can be found on my system.

Any ideas or help would be greatly appreciated. Windows 7 64 bit all service packages

I do not know when it happened but I just noticed it today. I have followed all trouble shooting steps; 1. Restart Computer 2. Open in Trouble shooting mode. 3. Uninstall Firefox. 4 Refresh Firefox. Nothing has worked. I took a screen shot and it is attached. When ever I open a new tab this symbol appears for a few seconds and then changes to the icon of what I am opening, G for google, H for HULU etc. I am worried that it is some type of Malware but none can be found on my system. Any ideas or help would be greatly appreciated. Windows 7 64 bit all service packages
Attached screenshots

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You see this steady hourglass instead of the moving dot tab loading indicator when you have enabled the prefers-reduced-motion feature to disable some animations. You can possibly revert this by setting ui.prefersReducedMotion = 0 on the about:config page (you may have to create a new number pref).


Firefox 63+ has support for "@media (prefers-reduced-motion)" to honor system settings to minimize the amount of non-essential motion. You can create a new Number pref named ui.prefersReducedMotion on the about:config page to show or block some animations.

  • in Firefox 78+ this includes the location bar breakout
  • in Firefox 80+ this replaces the tab loading indicator with an hourglass
  • set the value to 1 if you want to block animations
    ui.prefersReducedMotion = 1
  • set its value to 0 if you want to see animations
    ui.prefersReducedMotion = 0

Modified by cor-el

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