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Since upgrading to 5.0, when Firefox loads, it loads as if for a wider screen - I lose half the browser window info. With F11, the browse window comes back to the proper size.

  • 7 replies
  • 45 have this problem
  • Last reply by John99

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Prior to the upgrade of Firefox that happened a few days ago, my browser window and top menu area (and picture banner) loaded correctly. With update to v. 5.0 I lose half the browser window content, menu bar and picture banner to the right of the screen. In other words it appears to be trying to load the pages as though my screen were much wider than it is. When I hit F11 for full screen, the browser window returns to fill the screen correctly. It now makes the browser virtually unusable.

All Replies (7)

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I can not say I noticed this myself, and have used Firefox 5 for quite a while, (Nightly & Aurora channels). I have however noted quite a few comments that may be about this or similar problems. (Or I could be making a correlation that is not valid)

I do have XP myself, and a few versions of Firefox installed, but have not been able to reproduce the problem. Possibly it only affects wide screens or certain display resolutions, (I am using 1024 x 768).

  • What display resolution are you using ?
  • Exactly what is lost, and sides or top ?
  • What does it affect, does it occur with blank pages, or only certain websites
  • Maybe you could add a screenshot from
    • firefox 4
    • and firefox 5 so everyone can see what is happening.

You may find answers in one of the other threads, so from quickly scrolling a few pages I have come across the following:

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darren86 has posted that apparently conflicting add-ons may cause the problem, but seems unsure which Add-on in particular.

Note the general troubleshooting advice is

Note also updating add-ons may help, and it could in-fact be some plugin rather than an add-on causing the problem.

Modified by John99

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I've gone through disabling all the plug-ins and extension I had on my browser. By loading them methodically i've found that the one causing the problem was in the Extensions category:-

Babylon Toolbar 1.1.8.

By not loading this my original problem as reported at the top has gone away and Firefox is displaying pages correctly within the boundaries of the screen display.

Problem solved.

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Thanks for your replies and help.



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Thanks for the update, others are now also reporting this problem is related to use of the Babylon toolbar.

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I have had a similar, however somewhat different, thing happen. Just starting today, my FF browser (7.0.1) loads up in Full Size (maximize) screen, however it will not allow me to make the browser window smaller. It will not show up the arrows on the side or the corners to size down, and when I hit the button in the right upper corner so that it can scale down it - instead - minimizes to the computer's toolbar. I had the babylon toolbar installed about a week ago and then uninstalled it so it's no longer installed.

Modified by WillowRaven

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Hi WilowRaven,

Maybe you are just in full screen view mode, try using keyboard key F11 that toggles full screen on and off. If that does not work it may be better to start your own question about your problem.