Firefox 37 thumbnail Image size errors
I recently have begun noticing some random, odd image related problems in Firefox 37. It doesn't seem to happen in Firefox 36, Google Chrome or Internet Explorer.
Thumbnail size images randomly appear duplicated upon page refreshes and or scrambled/mixed in with other thumbnail size images also sometimes upon hover.
To illustrate, I have attached 3 screenshots, each of the same youtube page.
The first is Firefox 36 with no problems - http://s27.postimg.org/u7245f0hf/Firefox_36.jpg
But the other two are Firefox 37. In each, the video thumbnails appear randomly duplicated. I refreshed the page and a different thumbnail appears duplicated.
http://s3.postimg.org/c36d1lqoj/Firefox_37_A.jpg http://s29.postimg.org/xexeqxak7/Firefox_37_B.jpg
I have no addons or plugins running at all. This doesn't seem to immediately happen in safe mode or after I refresh Firefox, however it does soon return.
I should perhaps also mention that I recently had to rollback a Nvidia driver for my GTX 580 video card after a new one became unstable. Yet the card seems stable once again and I have even set it to now use Firefox in maximum performance mode. However I doubt this issue is related to the card, in that it doesn't happen at all in Firefox 36 or any other browsers as I previously stated.
Might anyone have a guess as to what this issue with the thumbnail size images I seem to be having could be attributable to? Thank you for any help.
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Hello,
Try Firefox Safe Mode to see if the problem goes away. Firefox Safe Mode is a troubleshooting mode that temporarily turns off hardware acceleration, resets some settings, and disables add-ons (extensions and themes).
If Firefox is open, you can restart in Firefox Safe Mode from the Help menu:
- Click the menu button
, click Help 
and select Restart with Add-ons Disabled.
If Firefox is not running, you can start Firefox in Safe Mode as follows:
- On Windows: Hold the Shift key when you open the Firefox desktop or Start menu shortcut.
- On Mac: Hold the option key while starting Firefox.
- On Linux: Quit Firefox, go to your Terminal and run firefox -safe-mode
(you may need to specify the Firefox installation path e.g. /usr/lib/firefox)
When the Firefox Safe Mode window appears, select "Start in Safe Mode".
If the issue is not present in Firefox Safe Mode, your problem is probably caused by an extension, theme, or hardware acceleration. Please follow the steps in the Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems article to find the cause.
To exit Firefox Safe Mode, just close Firefox and wait a few seconds before opening Firefox for normal use again.
When you figure out what's causing your issues, please let us know. It might help others with the same problem.